31216380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1347

約数の個数: 96

約数和(自身を含む): 97241088

約数和(自身を除く): 66024708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1291, 1612, 1860, 2015, 2418, 2582, 3873, 4030, 4836, 5164, 6045, 6455, 7746, 8060, 12090, 12910, 15492, 16783, 19365, 24180, 25820, 33566, 38730, 40021, 50349, 67132, 77460, 80042, 83915, 100698, 120063, 160084, 167830, 200105, 201396, 240126, 251745, 335660, 400210, 480252, 503490, 520273, 600315, 800420, 1006980, 1040546, 1200630, 1560819, 2081092, 2401260, 2601365, 3121638, 5202730, 6243276, 7804095, 10405460, 15608190, 31216380]

約数ペア:

[(1, 31216380), (2, 15608190), (3, 10405460), (4, 7804095), (5, 6243276), (6, 5202730), (10, 3121638), (12, 2601365), (13, 2401260), (15, 2081092), (20, 1560819), (26, 1200630), (30, 1040546), (31, 1006980), (39, 800420), (52, 600315), (60, 520273), (62, 503490), (65, 480252), (78, 400210), (93, 335660), (124, 251745), (130, 240126), (155, 201396), (156, 200105), (186, 167830), (195, 160084), (260, 120063), (310, 100698), (372, 83915), (390, 80042), (403, 77460), (465, 67132), (620, 50349), (780, 40021), (806, 38730), (930, 33566), (1209, 25820), (1291, 24180), (1612, 19365), (1860, 16783), (2015, 15492), (2418, 12910), (2582, 12090), (3873, 8060), (4030, 7746), (4836, 6455), (5164, 6045)]