218080260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{13613}}^1$

素因数の和:13717

約数の個数: 72

約数和(自身を含む): 668991960

約数和(自身を除く): 450911700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 13613, 16020, 27226, 40839, 54452, 68065, 81678, 122517, 136130, 163356, 204195, 245034, 272260, 408390, 490068, 612585, 816780, 1211557, 1225170, 2423114, 2450340, 3634671, 4846228, 6057785, 7269342, 10904013, 12115570, 14538684, 18173355, 21808026, 24231140, 36346710, 43616052, 54520065, 72693420, 109040130, 218080260]

約数ペア:

[(1, 218080260), (2, 109040130), (3, 72693420), (4, 54520065), (5, 43616052), (6, 36346710), (9, 24231140), (10, 21808026), (12, 18173355), (15, 14538684), (18, 12115570), (20, 10904013), (30, 7269342), (36, 6057785), (45, 4846228), (60, 3634671), (89, 2450340), (90, 2423114), (178, 1225170), (180, 1211557), (267, 816780), (356, 612585), (445, 490068), (534, 408390), (801, 272260), (890, 245034), (1068, 204195), (1335, 163356), (1602, 136130), (1780, 122517), (2670, 81678), (3204, 68065), (4005, 54452), (5340, 40839), (8010, 27226), (13613, 16020)]