91140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1$

素因数の和:57

約数の個数: 72

約数和(自身を含む): 306432

約数和(自身を除く): 215292

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2940, 3038, 3255, 4340, 4557, 6076, 6510, 7595, 9114, 13020, 15190, 18228, 22785, 30380, 45570, 91140]

約数ペア:

[(1, 91140), (2, 45570), (3, 30380), (4, 22785), (5, 18228), (6, 15190), (7, 13020), (10, 9114), (12, 7595), (14, 6510), (15, 6076), (20, 4557), (21, 4340), (28, 3255), (30, 3038), (31, 2940), (35, 2604), (42, 2170), (49, 1860), (60, 1519), (62, 1470), (70, 1302), (84, 1085), (93, 980), (98, 930), (105, 868), (124, 735), (140, 651), (147, 620), (155, 588), (186, 490), (196, 465), (210, 434), (217, 420), (245, 372), (294, 310)]