251310720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^2$

素因数の和:207

約数の個数: 192

約数和(自身を含む): 853495200

約数和(自身を除く): 602184480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 83, 95, 96, 114, 120, 128, 152, 160, 166, 190, 192, 228, 240, 249, 285, 304, 320, 332, 380, 384, 415, 456, 480, 498, 570, 608, 640, 664, 760, 830, 912, 960, 996, 1140, 1216, 1245, 1328, 1520, 1577, 1660, 1824, 1920, 1992, 2280, 2432, 2490, 2656, 3040, 3154, 3320, 3648, 3984, 4560, 4731, 4980, 5312, 6080, 6308, 6640, 6889, 7296, 7885, 7968, 9120, 9462, 9960, 10624, 12160, 12616, 13280, 13778, 15770, 15936, 18240, 18924, 19920, 20667, 23655, 25232, 26560, 27556, 31540, 31872, 34445, 36480, 37848, 39840, 41334, 47310, 50464, 53120, 55112, 63080, 68890, 75696, 79680, 82668, 94620, 100928, 103335, 110224, 126160, 130891, 137780, 151392, 159360, 165336, 189240, 201856, 206670, 220448, 252320, 261782, 275560, 302784, 330672, 378480, 392673, 413340, 440896, 504640, 523564, 551120, 605568, 654455, 661344, 756960, 785346, 826680, 881792, 1009280, 1047128, 1102240, 1308910, 1322688, 1513920, 1570692, 1653360, 1963365, 2094256, 2204480, 2617820, 2645376, 3027840, 3141384, 3306720, 3926730, 4188512, 4408960, 5235640, 6282768, 6613440, 7853460, 8377024, 10471280, 12565536, 13226880, 15706920, 16754048, 20942560, 25131072, 31413840, 41885120, 50262144, 62827680, 83770240, 125655360, 251310720]

約数ペア:

[(1, 251310720), (2, 125655360), (3, 83770240), (4, 62827680), (5, 50262144), (6, 41885120), (8, 31413840), (10, 25131072), (12, 20942560), (15, 16754048), (16, 15706920), (19, 13226880), (20, 12565536), (24, 10471280), (30, 8377024), (32, 7853460), (38, 6613440), (40, 6282768), (48, 5235640), (57, 4408960), (60, 4188512), (64, 3926730), (76, 3306720), (80, 3141384), (83, 3027840), (95, 2645376), (96, 2617820), (114, 2204480), (120, 2094256), (128, 1963365), (152, 1653360), (160, 1570692), (166, 1513920), (190, 1322688), (192, 1308910), (228, 1102240), (240, 1047128), (249, 1009280), (285, 881792), (304, 826680), (320, 785346), (332, 756960), (380, 661344), (384, 654455), (415, 605568), (456, 551120), (480, 523564), (498, 504640), (570, 440896), (608, 413340), (640, 392673), (664, 378480), (760, 330672), (830, 302784), (912, 275560), (960, 261782), (996, 252320), (1140, 220448), (1216, 206670), (1245, 201856), (1328, 189240), (1520, 165336), (1577, 159360), (1660, 151392), (1824, 137780), (1920, 130891), (1992, 126160), (2280, 110224), (2432, 103335), (2490, 100928), (2656, 94620), (3040, 82668), (3154, 79680), (3320, 75696), (3648, 68890), (3984, 63080), (4560, 55112), (4731, 53120), (4980, 50464), (5312, 47310), (6080, 41334), (6308, 39840), (6640, 37848), (6889, 36480), (7296, 34445), (7885, 31872), (7968, 31540), (9120, 27556), (9462, 26560), (9960, 25232), (10624, 23655), (12160, 20667), (12616, 19920), (13280, 18924), (13778, 18240), (15770, 15936)]