15983940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2003}}^1$

素因数の和:2041

約数の個数: 96

約数和(自身を含む): 53867520

約数和(自身を除く): 37883580

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, 2003, 2660, 3990, 4006, 6009, 7980, 8012, 10015, 12018, 14021, 20030, 24036, 28042, 30045, 38057, 40060, 42063, 56084, 60090, 70105, 76114, 84126, 114171, 120180, 140210, 152228, 168252, 190285, 210315, 228342, 266399, 280420, 380570, 420630, 456684, 532798, 570855, 761140, 799197, 841260, 1065596, 1141710, 1331995, 1598394, 2283420, 2663990, 3196788, 3995985, 5327980, 7991970, 15983940]

約数ペア:

[(1, 15983940), (2, 7991970), (3, 5327980), (4, 3995985), (5, 3196788), (6, 2663990), (7, 2283420), (10, 1598394), (12, 1331995), (14, 1141710), (15, 1065596), (19, 841260), (20, 799197), (21, 761140), (28, 570855), (30, 532798), (35, 456684), (38, 420630), (42, 380570), (57, 280420), (60, 266399), (70, 228342), (76, 210315), (84, 190285), (95, 168252), (105, 152228), (114, 140210), (133, 120180), (140, 114171), (190, 84126), (210, 76114), (228, 70105), (266, 60090), (285, 56084), (380, 42063), (399, 40060), (420, 38057), (532, 30045), (570, 28042), (665, 24036), (798, 20030), (1140, 14021), (1330, 12018), (1596, 10015), (1995, 8012), (2003, 7980), (2660, 6009), (3990, 4006)]