7991970

素因数分解:

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

素因数の和:2039

約数の個数: 64

約数和(自身を含む): 23086080

約数和(自身を除く): 15094110

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 2003, 3990, 4006, 6009, 10015, 12018, 14021, 20030, 28042, 30045, 38057, 42063, 60090, 70105, 76114, 84126, 114171, 140210, 190285, 210315, 228342, 266399, 380570, 420630, 532798, 570855, 799197, 1141710, 1331995, 1598394, 2663990, 3995985, 7991970]

約数ペア:

[(1, 7991970), (2, 3995985), (3, 2663990), (5, 1598394), (6, 1331995), (7, 1141710), (10, 799197), (14, 570855), (15, 532798), (19, 420630), (21, 380570), (30, 266399), (35, 228342), (38, 210315), (42, 190285), (57, 140210), (70, 114171), (95, 84126), (105, 76114), (114, 70105), (133, 60090), (190, 42063), (210, 38057), (266, 30045), (285, 28042), (399, 20030), (570, 14021), (665, 12018), (798, 10015), (1330, 6009), (1995, 4006), (2003, 3990)]