13307789080

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:685

約数の個数: 128

約数和(自身を含む): 31083393600

約数和(自身を除く): 17775604520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 89, 106, 178, 212, 251, 265, 281, 356, 424, 445, 502, 530, 562, 712, 890, 1004, 1060, 1124, 1255, 1405, 1780, 2008, 2120, 2248, 2510, 2810, 3560, 4717, 5020, 5620, 9434, 10040, 11240, 13303, 14893, 18868, 22339, 23585, 25009, 26606, 29786, 37736, 44678, 47170, 50018, 53212, 59572, 66515, 70531, 74465, 89356, 94340, 100036, 106424, 111695, 119144, 125045, 133030, 141062, 148930, 178712, 188680, 200072, 223390, 250090, 266060, 282124, 297860, 352655, 446780, 500180, 532120, 564248, 595720, 705310, 893560, 1000360, 1183967, 1325477, 1410620, 2367934, 2650954, 2821240, 3738143, 4735868, 5301908, 5919835, 6277259, 6627385, 7476286, 9471736, 10603816, 11839670, 12554518, 13254770, 14952572, 18690715, 23679340, 25109036, 26509540, 29905144, 31386295, 37381430, 47358680, 50218072, 53019080, 62772590, 74762860, 125545180, 149525720, 251090360, 332694727, 665389454, 1330778908, 1663473635, 2661557816, 3326947270, 6653894540, 13307789080]

約数ペア:

[(1, 13307789080), (2, 6653894540), (4, 3326947270), (5, 2661557816), (8, 1663473635), (10, 1330778908), (20, 665389454), (40, 332694727), (53, 251090360), (89, 149525720), (106, 125545180), (178, 74762860), (212, 62772590), (251, 53019080), (265, 50218072), (281, 47358680), (356, 37381430), (424, 31386295), (445, 29905144), (502, 26509540), (530, 25109036), (562, 23679340), (712, 18690715), (890, 14952572), (1004, 13254770), (1060, 12554518), (1124, 11839670), (1255, 10603816), (1405, 9471736), (1780, 7476286), (2008, 6627385), (2120, 6277259), (2248, 5919835), (2510, 5301908), (2810, 4735868), (3560, 3738143), (4717, 2821240), (5020, 2650954), (5620, 2367934), (9434, 1410620), (10040, 1325477), (11240, 1183967), (13303, 1000360), (14893, 893560), (18868, 705310), (22339, 595720), (23585, 564248), (25009, 532120), (26606, 500180), (29786, 446780), (37736, 352655), (44678, 297860), (47170, 282124), (50018, 266060), (53212, 250090), (59572, 223390), (66515, 200072), (70531, 188680), (74465, 178712), (89356, 148930), (94340, 141062), (100036, 133030), (106424, 125045), (111695, 119144)]