72680985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 143881920

約数和(自身を除く): 71200935

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 169, 171, 195, 247, 285, 503, 507, 585, 741, 845, 855, 1235, 1509, 1521, 2223, 2515, 2535, 3211, 3705, 4527, 6539, 7545, 7605, 9557, 9633, 11115, 16055, 19617, 22635, 28671, 28899, 32695, 47785, 48165, 58851, 85007, 86013, 98085, 124241, 143355, 144495, 255021, 294255, 372723, 425035, 430065, 621205, 765063, 1118169, 1275105, 1615133, 1863615, 3825315, 4845399, 5590845, 8075665, 14536197, 24226995, 72680985]

約数ペア:

[(1, 72680985), (3, 24226995), (5, 14536197), (9, 8075665), (13, 5590845), (15, 4845399), (19, 3825315), (39, 1863615), (45, 1615133), (57, 1275105), (65, 1118169), (95, 765063), (117, 621205), (169, 430065), (171, 425035), (195, 372723), (247, 294255), (285, 255021), (503, 144495), (507, 143355), (585, 124241), (741, 98085), (845, 86013), (855, 85007), (1235, 58851), (1509, 48165), (1521, 47785), (2223, 32695), (2515, 28899), (2535, 28671), (3211, 22635), (3705, 19617), (4527, 16055), (6539, 11115), (7545, 9633), (7605, 9557)]