71398980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23333}}^1$

素因数の和:23365

約数の個数: 72

約数和(自身を含む): 229326552

約数和(自身を除く): 157927572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 23333, 46666, 69999, 93332, 116665, 139998, 209997, 233330, 279996, 349995, 396661, 419994, 466660, 699990, 793322, 839988, 1049985, 1189983, 1399980, 1586644, 1983305, 2099970, 2379966, 3569949, 3966610, 4199940, 4759932, 5949915, 7139898, 7933220, 11899830, 14279796, 17849745, 23799660, 35699490, 71398980]

約数ペア:

[(1, 71398980), (2, 35699490), (3, 23799660), (4, 17849745), (5, 14279796), (6, 11899830), (9, 7933220), (10, 7139898), (12, 5949915), (15, 4759932), (17, 4199940), (18, 3966610), (20, 3569949), (30, 2379966), (34, 2099970), (36, 1983305), (45, 1586644), (51, 1399980), (60, 1189983), (68, 1049985), (85, 839988), (90, 793322), (102, 699990), (153, 466660), (170, 419994), (180, 396661), (204, 349995), (255, 279996), (306, 233330), (340, 209997), (510, 139998), (612, 116665), (765, 93332), (1020, 69999), (1530, 46666), (3060, 23333)]