1998301440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:553

約数の個数: 288

約数和(自身を含む): 6843312000

約数和(自身を除く): 4845010560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 61, 64, 76, 80, 95, 96, 114, 120, 122, 128, 152, 160, 183, 190, 192, 228, 240, 244, 256, 285, 304, 305, 320, 366, 380, 384, 449, 456, 480, 488, 570, 608, 610, 640, 732, 760, 768, 898, 912, 915, 960, 976, 1140, 1159, 1216, 1220, 1280, 1347, 1464, 1520, 1796, 1824, 1830, 1920, 1952, 2245, 2280, 2318, 2432, 2440, 2694, 2928, 3040, 3477, 3592, 3648, 3660, 3840, 3904, 4490, 4560, 4636, 4864, 4880, 5388, 5795, 5856, 6080, 6735, 6954, 7184, 7296, 7320, 7808, 8531, 8980, 9120, 9272, 9760, 10776, 11590, 11712, 12160, 13470, 13908, 14368, 14592, 14640, 15616, 17062, 17385, 17960, 18240, 18544, 19520, 21552, 23180, 23424, 24320, 25593, 26940, 27389, 27816, 28736, 29280, 34124, 34770, 35920, 36480, 37088, 39040, 42655, 43104, 46360, 46848, 51186, 53880, 54778, 55632, 57472, 58560, 68248, 69540, 71840, 72960, 74176, 78080, 82167, 85310, 86208, 92720, 102372, 107760, 109556, 111264, 114944, 117120, 127965, 136496, 136945, 139080, 143680, 148352, 164334, 170620, 172416, 185440, 204744, 215520, 219112, 222528, 234240, 255930, 272992, 273890, 278160, 287360, 296704, 328668, 341240, 344832, 370880, 409488, 410835, 431040, 438224, 445056, 511860, 520391, 545984, 547780, 556320, 574720, 657336, 682480, 741760, 818976, 821670, 862080, 876448, 890112, 1023720, 1040782, 1091968, 1095560, 1112640, 1314672, 1364960, 1483520, 1561173, 1637952, 1643340, 1724160, 1752896, 2047440, 2081564, 2183936, 2191120, 2225280, 2601955, 2629344, 2729920, 3122346, 3275904, 3286680, 3505792, 4094880, 4163128, 4382240, 4450560, 5203910, 5258688, 5459840, 6244692, 6551808, 6573360, 7011584, 7805865, 8189760, 8326256, 8764480, 10407820, 10517376, 10919680, 12489384, 13146720, 15611730, 16379520, 16652512, 17528960, 20815640, 21034752, 24978768, 26293440, 31223460, 32759040, 33305024, 35057920, 41631280, 49957536, 52586880, 62446920, 66610048, 83262560, 99915072, 105173760, 124893840, 133220096, 166525120, 199830144, 249787680, 333050240, 399660288, 499575360, 666100480, 999150720, 1998301440]

約数ペア:

[(1, 1998301440), (2, 999150720), (3, 666100480), (4, 499575360), (5, 399660288), (6, 333050240), (8, 249787680), (10, 199830144), (12, 166525120), (15, 133220096), (16, 124893840), (19, 105173760), (20, 99915072), (24, 83262560), (30, 66610048), (32, 62446920), (38, 52586880), (40, 49957536), (48, 41631280), (57, 35057920), (60, 33305024), (61, 32759040), (64, 31223460), (76, 26293440), (80, 24978768), (95, 21034752), (96, 20815640), (114, 17528960), (120, 16652512), (122, 16379520), (128, 15611730), (152, 13146720), (160, 12489384), (183, 10919680), (190, 10517376), (192, 10407820), (228, 8764480), (240, 8326256), (244, 8189760), (256, 7805865), (285, 7011584), (304, 6573360), (305, 6551808), (320, 6244692), (366, 5459840), (380, 5258688), (384, 5203910), (449, 4450560), (456, 4382240), (480, 4163128), (488, 4094880), (570, 3505792), (608, 3286680), (610, 3275904), (640, 3122346), (732, 2729920), (760, 2629344), (768, 2601955), (898, 2225280), (912, 2191120), (915, 2183936), (960, 2081564), (976, 2047440), (1140, 1752896), (1159, 1724160), (1216, 1643340), (1220, 1637952), (1280, 1561173), (1347, 1483520), (1464, 1364960), (1520, 1314672), (1796, 1112640), (1824, 1095560), (1830, 1091968), (1920, 1040782), (1952, 1023720), (2245, 890112), (2280, 876448), (2318, 862080), (2432, 821670), (2440, 818976), (2694, 741760), (2928, 682480), (3040, 657336), (3477, 574720), (3592, 556320), (3648, 547780), (3660, 545984), (3840, 520391), (3904, 511860), (4490, 445056), (4560, 438224), (4636, 431040), (4864, 410835), (4880, 409488), (5388, 370880), (5795, 344832), (5856, 341240), (6080, 328668), (6735, 296704), (6954, 287360), (7184, 278160), (7296, 273890), (7320, 272992), (7808, 255930), (8531, 234240), (8980, 222528), (9120, 219112), (9272, 215520), (9760, 204744), (10776, 185440), (11590, 172416), (11712, 170620), (12160, 164334), (13470, 148352), (13908, 143680), (14368, 139080), (14592, 136945), (14640, 136496), (15616, 127965), (17062, 117120), (17385, 114944), (17960, 111264), (18240, 109556), (18544, 107760), (19520, 102372), (21552, 92720), (23180, 86208), (23424, 85310), (24320, 82167), (25593, 78080), (26940, 74176), (27389, 72960), (27816, 71840), (28736, 69540), (29280, 68248), (34124, 58560), (34770, 57472), (35920, 55632), (36480, 54778), (37088, 53880), (39040, 51186), (42655, 46848), (43104, 46360)]