81523680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1277}}^1$

素因数の和:1321

約数の個数: 192

約数和(自身を含む): 309173760

約数和(自身を除く): 227650080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 210, 224, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 480, 532, 560, 570, 608, 665, 672, 760, 798, 840, 912, 1064, 1120, 1140, 1277, 1330, 1520, 1596, 1680, 1824, 1995, 2128, 2280, 2554, 2660, 3040, 3192, 3360, 3831, 3990, 4256, 4560, 5108, 5320, 6384, 6385, 7662, 7980, 8939, 9120, 10216, 10640, 12768, 12770, 15324, 15960, 17878, 19155, 20432, 21280, 24263, 25540, 26817, 30648, 31920, 35756, 38310, 40864, 44695, 48526, 51080, 53634, 61296, 63840, 71512, 72789, 76620, 89390, 97052, 102160, 107268, 121315, 122592, 134085, 143024, 145578, 153240, 169841, 178780, 194104, 204320, 214536, 242630, 268170, 286048, 291156, 306480, 339682, 357560, 363945, 388208, 429072, 485260, 509523, 536340, 582312, 612960, 679364, 715120, 727890, 776416, 849205, 858144, 970520, 1019046, 1072680, 1164624, 1358728, 1430240, 1455780, 1698410, 1941040, 2038092, 2145360, 2329248, 2547615, 2717456, 2911560, 3396820, 3882080, 4076184, 4290720, 5095230, 5434912, 5823120, 6793640, 8152368, 10190460, 11646240, 13587280, 16304736, 20380920, 27174560, 40761840, 81523680]

約数ペア:

[(1, 81523680), (2, 40761840), (3, 27174560), (4, 20380920), (5, 16304736), (6, 13587280), (7, 11646240), (8, 10190460), (10, 8152368), (12, 6793640), (14, 5823120), (15, 5434912), (16, 5095230), (19, 4290720), (20, 4076184), (21, 3882080), (24, 3396820), (28, 2911560), (30, 2717456), (32, 2547615), (35, 2329248), (38, 2145360), (40, 2038092), (42, 1941040), (48, 1698410), (56, 1455780), (57, 1430240), (60, 1358728), (70, 1164624), (76, 1072680), (80, 1019046), (84, 970520), (95, 858144), (96, 849205), (105, 776416), (112, 727890), (114, 715120), (120, 679364), (133, 612960), (140, 582312), (152, 536340), (160, 509523), (168, 485260), (190, 429072), (210, 388208), (224, 363945), (228, 357560), (240, 339682), (266, 306480), (280, 291156), (285, 286048), (304, 268170), (336, 242630), (380, 214536), (399, 204320), (420, 194104), (456, 178780), (480, 169841), (532, 153240), (560, 145578), (570, 143024), (608, 134085), (665, 122592), (672, 121315), (760, 107268), (798, 102160), (840, 97052), (912, 89390), (1064, 76620), (1120, 72789), (1140, 71512), (1277, 63840), (1330, 61296), (1520, 53634), (1596, 51080), (1680, 48526), (1824, 44695), (1995, 40864), (2128, 38310), (2280, 35756), (2554, 31920), (2660, 30648), (3040, 26817), (3192, 25540), (3360, 24263), (3831, 21280), (3990, 20432), (4256, 19155), (4560, 17878), (5108, 15960), (5320, 15324), (6384, 12770), (6385, 12768), (7662, 10640), (7980, 10216), (8939, 9120)]