81270300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4441}}^1$

素因数の和:4519

約数の個数: 72

約数和(自身を含む): 239050672

約数和(自身を除く): 157780372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 61, 75, 100, 122, 150, 183, 244, 300, 305, 366, 610, 732, 915, 1220, 1525, 1830, 3050, 3660, 4441, 4575, 6100, 8882, 9150, 13323, 17764, 18300, 22205, 26646, 44410, 53292, 66615, 88820, 111025, 133230, 222050, 266460, 270901, 333075, 444100, 541802, 666150, 812703, 1083604, 1332300, 1354505, 1625406, 2709010, 3250812, 4063515, 5418020, 6772525, 8127030, 13545050, 16254060, 20317575, 27090100, 40635150, 81270300]

約数ペア:

[(1, 81270300), (2, 40635150), (3, 27090100), (4, 20317575), (5, 16254060), (6, 13545050), (10, 8127030), (12, 6772525), (15, 5418020), (20, 4063515), (25, 3250812), (30, 2709010), (50, 1625406), (60, 1354505), (61, 1332300), (75, 1083604), (100, 812703), (122, 666150), (150, 541802), (183, 444100), (244, 333075), (300, 270901), (305, 266460), (366, 222050), (610, 133230), (732, 111025), (915, 88820), (1220, 66615), (1525, 53292), (1830, 44410), (3050, 26646), (3660, 22205), (4441, 18300), (4575, 17764), (6100, 13323), (8882, 9150)]