642161.00000000

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:321

約数の個数: 160

約数和(自身を含む): 188023680

約数和(自身を除く): 131712240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 53, 57, 60, 76, 80, 95, 106, 114, 120, 152, 159, 190, 212, 228, 233, 240, 265, 285, 304, 318, 380, 424, 456, 466, 530, 570, 636, 699, 760, 795, 848, 912, 932, 1007, 1060, 1140, 1165, 1272, 1398, 1520, 1590, 1864, 2014, 2120, 2280, 2330, 2544, 2796, 3021, 3180, 3495, 3728, 4028, 4240, 4427, 4560, 4660, 5035, 5592, 6042, 6360, 6990, 8056, 8854, 9320, 10070, 11184, 12084, 12349, 12720, 13281, 13980, 15105, 16112, 17708, 18640, 20140, 22135, 24168, 24698, 26562, 27960, 30210, 35416, 37047, 40280, 44270, 48336, 49396, 53124, 55920, 60420, 61745, 66405, 70832, 74094, 80560, 88540, 98792, 106248, 120840, 123490, 132810, 148188, 177080, 185235, 197584, 212496, 234631, 241680, 246980, 265620, 296376, 354160, 370470, 469262, 493960, 531240, 592752, 703893, 740940, 938524, 987920, 1062480, 1173155, 1407786, 1481880, 1877048, 2346310, 2815572, 2963760, 3519465, 3754096, 4692620, 5631144, 7038930, 9385240, 11262288, 14077860, 18770480, 28155720, 56311440]

約数ペア:

[(1, 56311440), (2, 28155720), (3, 18770480), (4, 14077860), (5, 11262288), (6, 9385240), (8, 7038930), (10, 5631144), (12, 4692620), (15, 3754096), (16, 3519465), (19, 2963760), (20, 2815572), (24, 2346310), (30, 1877048), (38, 1481880), (40, 1407786), (48, 1173155), (53, 1062480), (57, 987920), (60, 938524), (76, 740940), (80, 703893), (95, 592752), (106, 531240), (114, 493960), (120, 469262), (152, 370470), (159, 354160), (190, 296376), (212, 265620), (228, 246980), (233, 241680), (240, 234631), (265, 212496), (285, 197584), (304, 185235), (318, 177080), (380, 148188), (424, 132810), (456, 123490), (466, 120840), (530, 106248), (570, 98792), (636, 88540), (699, 80560), (760, 74094), (795, 70832), (848, 66405), (912, 61745), (932, 60420), (1007, 55920), (1060, 53124), (1140, 49396), (1165, 48336), (1272, 44270), (1398, 40280), (1520, 37047), (1590, 35416), (1864, 30210), (2014, 27960), (2120, 26562), (2280, 24698), (2330, 24168), (2544, 22135), (2796, 20140), (3021, 18640), (3180, 17708), (3495, 16112), (3728, 15105), (4028, 13980), (4240, 13281), (4427, 12720), (4560, 12349), (4660, 12084), (5035, 11184), (5592, 10070), (6042, 9320), (6360, 8854), (6990, 8056)]