31009160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1217}}^1$

素因数の和:1255

約数の個数: 96

約数和(自身を含む): 87476760

約数和(自身を除く): 56467600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1217, 1274, 1820, 1960, 2434, 2548, 3185, 3640, 4868, 5096, 6085, 6370, 8519, 9736, 12170, 12740, 15821, 17038, 24340, 25480, 31642, 34076, 42595, 48680, 59633, 63284, 68152, 79105, 85190, 110747, 119266, 126568, 158210, 170380, 221494, 238532, 298165, 316420, 340760, 442988, 477064, 553735, 596330, 632840, 775229, 885976, 1107470, 1192660, 1550458, 2214940, 2385320, 3100916, 3876145, 4429880, 6201832, 7752290, 15504580, 31009160]

約数ペア:

[(1, 31009160), (2, 15504580), (4, 7752290), (5, 6201832), (7, 4429880), (8, 3876145), (10, 3100916), (13, 2385320), (14, 2214940), (20, 1550458), (26, 1192660), (28, 1107470), (35, 885976), (40, 775229), (49, 632840), (52, 596330), (56, 553735), (65, 477064), (70, 442988), (91, 340760), (98, 316420), (104, 298165), (130, 238532), (140, 221494), (182, 170380), (196, 158210), (245, 126568), (260, 119266), (280, 110747), (364, 85190), (392, 79105), (455, 68152), (490, 63284), (520, 59633), (637, 48680), (728, 42595), (910, 34076), (980, 31642), (1217, 25480), (1274, 24340), (1820, 17038), (1960, 15821), (2434, 12740), (2548, 12170), (3185, 9736), (3640, 8519), (4868, 6370), (5096, 6085)]