31943940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4003}}^1$

素因数の和:4041

約数の個数: 96

約数和(自身を含む): 107627520

約数和(自身を除く): 75683580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 4003, 7980, 8006, 12009, 16012, 20015, 24018, 28021, 40030, 48036, 56042, 60045, 76057, 80060, 84063, 112084, 120090, 140105, 152114, 168126, 228171, 240180, 280210, 304228, 336252, 380285, 420315, 456342, 532399, 560420, 760570, 840630, 912684, 1064798, 1140855, 1521140, 1597197, 1681260, 2129596, 2281710, 2661995, 3194394, 4563420, 5323990, 6388788, 7985985, 10647980, 15971970, 31943940]

約数ペア:

[(1, 31943940), (2, 15971970), (3, 10647980), (4, 7985985), (5, 6388788), (6, 5323990), (7, 4563420), (10, 3194394), (12, 2661995), (14, 2281710), (15, 2129596), (19, 1681260), (20, 1597197), (21, 1521140), (28, 1140855), (30, 1064798), (35, 912684), (38, 840630), (42, 760570), (57, 560420), (60, 532399), (70, 456342), (76, 420315), (84, 380285), (95, 336252), (105, 304228), (114, 280210), (133, 240180), (140, 228171), (190, 168126), (210, 152114), (228, 140105), (266, 120090), (285, 112084), (380, 84063), (399, 80060), (420, 76057), (532, 60045), (570, 56042), (665, 48036), (798, 40030), (1140, 28021), (1330, 24018), (1596, 20015), (1995, 16012), (2660, 12009), (3990, 8006), (4003, 7980)]