71766180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:578

約数の個数: 144

約数和(自身を含む): 235872000

約数和(自身を除く): 164105820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 47, 51, 60, 68, 85, 90, 94, 102, 141, 153, 170, 180, 188, 204, 235, 255, 282, 306, 340, 423, 470, 499, 510, 564, 612, 705, 765, 799, 846, 940, 998, 1020, 1410, 1497, 1530, 1598, 1692, 1996, 2115, 2397, 2495, 2820, 2994, 3060, 3196, 3995, 4230, 4491, 4794, 4990, 5988, 7191, 7485, 7990, 8460, 8483, 8982, 9588, 9980, 11985, 14382, 14970, 15980, 16966, 17964, 22455, 23453, 23970, 25449, 28764, 29940, 33932, 35955, 42415, 44910, 46906, 47940, 50898, 70359, 71910, 76347, 84830, 89820, 93812, 101796, 117265, 127245, 140718, 143820, 152694, 169660, 211077, 234530, 254490, 281436, 305388, 351795, 381735, 398701, 422154, 469060, 508980, 703590, 763470, 797402, 844308, 1055385, 1196103, 1407180, 1526940, 1594804, 1993505, 2110770, 2392206, 3588309, 3987010, 4221540, 4784412, 5980515, 7176618, 7974020, 11961030, 14353236, 17941545, 23922060, 35883090, 71766180]

約数ペア:

[(1, 71766180), (2, 35883090), (3, 23922060), (4, 17941545), (5, 14353236), (6, 11961030), (9, 7974020), (10, 7176618), (12, 5980515), (15, 4784412), (17, 4221540), (18, 3987010), (20, 3588309), (30, 2392206), (34, 2110770), (36, 1993505), (45, 1594804), (47, 1526940), (51, 1407180), (60, 1196103), (68, 1055385), (85, 844308), (90, 797402), (94, 763470), (102, 703590), (141, 508980), (153, 469060), (170, 422154), (180, 398701), (188, 381735), (204, 351795), (235, 305388), (255, 281436), (282, 254490), (306, 234530), (340, 211077), (423, 169660), (470, 152694), (499, 143820), (510, 140718), (564, 127245), (612, 117265), (705, 101796), (765, 93812), (799, 89820), (846, 84830), (940, 76347), (998, 71910), (1020, 70359), (1410, 50898), (1497, 47940), (1530, 46906), (1598, 44910), (1692, 42415), (1996, 35955), (2115, 33932), (2397, 29940), (2495, 28764), (2820, 25449), (2994, 23970), (3060, 23453), (3196, 22455), (3995, 17964), (4230, 16966), (4491, 15980), (4794, 14970), (4990, 14382), (5988, 11985), (7191, 9980), (7485, 9588), (7990, 8982), (8460, 8483)]