87287580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2029}}^1$

素因数の和:2283

約数の個数: 72

約数和(自身を含む): 266011200

約数和(自身を除く): 178723620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 2029, 2151, 2390, 2868, 3585, 4058, 4302, 4780, 6087, 7170, 8116, 8604, 10145, 10755, 12174, 14340, 18261, 20290, 21510, 24348, 30435, 36522, 40580, 43020, 60870, 73044, 91305, 121740, 182610, 365220, 484931, 969862, 1454793, 1939724, 2424655, 2909586, 4364379, 4849310, 5819172, 7273965, 8728758, 9698620, 14547930, 17457516, 21821895, 29095860, 43643790, 87287580]

約数ペア:

[(1, 87287580), (2, 43643790), (3, 29095860), (4, 21821895), (5, 17457516), (6, 14547930), (9, 9698620), (10, 8728758), (12, 7273965), (15, 5819172), (18, 4849310), (20, 4364379), (30, 2909586), (36, 2424655), (45, 1939724), (60, 1454793), (90, 969862), (180, 484931), (239, 365220), (478, 182610), (717, 121740), (956, 91305), (1195, 73044), (1434, 60870), (2029, 43020), (2151, 40580), (2390, 36522), (2868, 30435), (3585, 24348), (4058, 21510), (4302, 20290), (4780, 18261), (6087, 14340), (7170, 12174), (8116, 10755), (8604, 10145)]