28306260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:295

約数の個数: 120

約数和(自身を含む): 90195336

約数和(自身を除く): 61889076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 101, 108, 135, 162, 173, 180, 202, 270, 303, 324, 346, 404, 405, 505, 519, 540, 606, 692, 810, 865, 909, 1010, 1038, 1212, 1515, 1557, 1620, 1730, 1818, 2020, 2076, 2595, 2727, 3030, 3114, 3460, 3636, 4545, 4671, 5190, 5454, 6060, 6228, 7785, 8181, 9090, 9342, 10380, 10908, 13635, 14013, 15570, 16362, 17473, 18180, 18684, 23355, 27270, 28026, 31140, 32724, 34946, 40905, 46710, 52419, 54540, 56052, 69892, 70065, 81810, 87365, 93420, 104838, 140130, 157257, 163620, 174730, 209676, 262095, 280260, 314514, 349460, 471771, 524190, 629028, 786285, 943542, 1048380, 1415313, 1572570, 1887084, 2358855, 2830626, 3145140, 4717710, 5661252, 7076565, 9435420, 14153130, 28306260]

約数ペア:

[(1, 28306260), (2, 14153130), (3, 9435420), (4, 7076565), (5, 5661252), (6, 4717710), (9, 3145140), (10, 2830626), (12, 2358855), (15, 1887084), (18, 1572570), (20, 1415313), (27, 1048380), (30, 943542), (36, 786285), (45, 629028), (54, 524190), (60, 471771), (81, 349460), (90, 314514), (101, 280260), (108, 262095), (135, 209676), (162, 174730), (173, 163620), (180, 157257), (202, 140130), (270, 104838), (303, 93420), (324, 87365), (346, 81810), (404, 70065), (405, 69892), (505, 56052), (519, 54540), (540, 52419), (606, 46710), (692, 40905), (810, 34946), (865, 32724), (909, 31140), (1010, 28026), (1038, 27270), (1212, 23355), (1515, 18684), (1557, 18180), (1620, 17473), (1730, 16362), (1818, 15570), (2020, 14013), (2076, 13635), (2595, 10908), (2727, 10380), (3030, 9342), (3114, 9090), (3460, 8181), (3636, 7785), (4545, 6228), (4671, 6060), (5190, 5454)]