289608540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^6$

素因数の和:90

約数の個数: 84

約数和(自身を含む): 878479224

約数和(自身を除く): 588870684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2197, 2535, 3380, 4394, 5070, 6591, 8788, 10140, 10985, 13182, 21970, 26364, 28561, 32955, 43940, 57122, 65910, 85683, 114244, 131820, 142805, 171366, 285610, 342732, 371293, 428415, 571220, 742586, 856830, 1113879, 1485172, 1713660, 1856465, 2227758, 3712930, 4455516, 4826809, 5569395, 7425860, 9653618, 11138790, 14480427, 19307236, 22277580, 24134045, 28960854, 48268090, 57921708, 72402135, 96536180, 144804270, 289608540]

約数ペア:

[(1, 289608540), (2, 144804270), (3, 96536180), (4, 72402135), (5, 57921708), (6, 48268090), (10, 28960854), (12, 24134045), (13, 22277580), (15, 19307236), (20, 14480427), (26, 11138790), (30, 9653618), (39, 7425860), (52, 5569395), (60, 4826809), (65, 4455516), (78, 3712930), (130, 2227758), (156, 1856465), (169, 1713660), (195, 1485172), (260, 1113879), (338, 856830), (390, 742586), (507, 571220), (676, 428415), (780, 371293), (845, 342732), (1014, 285610), (1690, 171366), (2028, 142805), (2197, 131820), (2535, 114244), (3380, 85683), (4394, 65910), (5070, 57122), (6591, 43940), (8788, 32955), (10140, 28561), (10985, 26364), (13182, 21970)]