255172470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2063}}^1$

素因数の和:2130

約数の個数: 128

約数和(自身を含む): 760872960

約数和(自身を除く): 505700490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 31, 35, 38, 42, 57, 62, 70, 93, 95, 105, 114, 133, 155, 186, 190, 210, 217, 266, 285, 310, 399, 434, 465, 570, 589, 651, 665, 798, 930, 1085, 1178, 1302, 1330, 1767, 1995, 2063, 2170, 2945, 3255, 3534, 3990, 4123, 4126, 5890, 6189, 6510, 8246, 8835, 10315, 12369, 12378, 14441, 17670, 20615, 20630, 24738, 28882, 30945, 39197, 41230, 43323, 61845, 61890, 63953, 72205, 78394, 86646, 117591, 123690, 127906, 144410, 191859, 195985, 216615, 235182, 274379, 319765, 383718, 391970, 433230, 447671, 548758, 587955, 639530, 823137, 895342, 959295, 1175910, 1215107, 1343013, 1371895, 1646274, 1918590, 2238355, 2430214, 2686026, 2743790, 3645321, 4115685, 4476710, 6075535, 6715065, 7290642, 8231370, 8505749, 12151070, 13430130, 17011498, 18226605, 25517247, 36453210, 42528745, 51034494, 85057490, 127586235, 255172470]

約数ペア:

[(1, 255172470), (2, 127586235), (3, 85057490), (5, 51034494), (6, 42528745), (7, 36453210), (10, 25517247), (14, 18226605), (15, 17011498), (19, 13430130), (21, 12151070), (30, 8505749), (31, 8231370), (35, 7290642), (38, 6715065), (42, 6075535), (57, 4476710), (62, 4115685), (70, 3645321), (93, 2743790), (95, 2686026), (105, 2430214), (114, 2238355), (133, 1918590), (155, 1646274), (186, 1371895), (190, 1343013), (210, 1215107), (217, 1175910), (266, 959295), (285, 895342), (310, 823137), (399, 639530), (434, 587955), (465, 548758), (570, 447671), (589, 433230), (651, 391970), (665, 383718), (798, 319765), (930, 274379), (1085, 235182), (1178, 216615), (1302, 195985), (1330, 191859), (1767, 144410), (1995, 127906), (2063, 123690), (2170, 117591), (2945, 86646), (3255, 78394), (3534, 72205), (3990, 63953), (4123, 61890), (4126, 61845), (5890, 43323), (6189, 41230), (6510, 39197), (8246, 30945), (8835, 28882), (10315, 24738), (12369, 20630), (12378, 20615), (14441, 17670)]