208718040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2953}}^1$

素因数の和:3017

約数の個数: 128

約数和(自身を含む): 680601600

約数和(自身を除く): 471883560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1178, 1240, 1767, 1860, 2280, 2356, 2945, 2953, 3534, 3720, 4712, 5890, 5906, 7068, 8835, 8859, 11780, 11812, 14136, 14765, 17670, 17718, 23560, 23624, 29530, 35340, 35436, 44295, 56107, 59060, 70680, 70872, 88590, 91543, 112214, 118120, 168321, 177180, 183086, 224428, 274629, 280535, 336642, 354360, 366172, 448856, 457715, 549258, 561070, 673284, 732344, 841605, 915430, 1098516, 1122140, 1346568, 1373145, 1683210, 1739317, 1830860, 2197032, 2244280, 2746290, 3366420, 3478634, 3661720, 5217951, 5492580, 6732840, 6957268, 8696585, 10435902, 10985160, 13914536, 17393170, 20871804, 26089755, 34786340, 41743608, 52179510, 69572680, 104359020, 208718040]

約数ペア:

[(1, 208718040), (2, 104359020), (3, 69572680), (4, 52179510), (5, 41743608), (6, 34786340), (8, 26089755), (10, 20871804), (12, 17393170), (15, 13914536), (19, 10985160), (20, 10435902), (24, 8696585), (30, 6957268), (31, 6732840), (38, 5492580), (40, 5217951), (57, 3661720), (60, 3478634), (62, 3366420), (76, 2746290), (93, 2244280), (95, 2197032), (114, 1830860), (120, 1739317), (124, 1683210), (152, 1373145), (155, 1346568), (186, 1122140), (190, 1098516), (228, 915430), (248, 841605), (285, 732344), (310, 673284), (372, 561070), (380, 549258), (456, 457715), (465, 448856), (570, 366172), (589, 354360), (620, 336642), (744, 280535), (760, 274629), (930, 224428), (1140, 183086), (1178, 177180), (1240, 168321), (1767, 118120), (1860, 112214), (2280, 91543), (2356, 88590), (2945, 70872), (2953, 70680), (3534, 59060), (3720, 56107), (4712, 44295), (5890, 35436), (5906, 35340), (7068, 29530), (8835, 23624), (8859, 23560), (11780, 17718), (11812, 17670), (14136, 14765)]