89208420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1597}}^1$

素因数の和:1642

約数の個数: 144

約数和(自身を含む): 306048960

約数和(自身を除く): 216840540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1597, 1862, 1995, 2660, 2793, 2940, 3194, 3724, 3990, 4655, 4791, 5586, 6388, 7980, 7985, 9310, 9582, 11172, 11179, 13965, 15970, 18620, 19164, 22358, 23955, 27930, 30343, 31940, 33537, 44716, 47910, 55860, 55895, 60686, 67074, 78253, 91029, 95820, 111790, 121372, 134148, 151715, 156506, 167685, 182058, 212401, 223580, 234759, 303430, 313012, 335370, 364116, 391265, 424802, 455145, 469518, 606860, 637203, 670740, 782530, 849604, 910290, 939036, 1062005, 1173795, 1274406, 1486807, 1565060, 1820580, 2124010, 2347590, 2548812, 2973614, 3186015, 4248020, 4460421, 4695180, 5947228, 6372030, 7434035, 8920842, 12744060, 14868070, 17841684, 22302105, 29736140, 44604210, 89208420]

約数ペア:

[(1, 89208420), (2, 44604210), (3, 29736140), (4, 22302105), (5, 17841684), (6, 14868070), (7, 12744060), (10, 8920842), (12, 7434035), (14, 6372030), (15, 5947228), (19, 4695180), (20, 4460421), (21, 4248020), (28, 3186015), (30, 2973614), (35, 2548812), (38, 2347590), (42, 2124010), (49, 1820580), (57, 1565060), (60, 1486807), (70, 1274406), (76, 1173795), (84, 1062005), (95, 939036), (98, 910290), (105, 849604), (114, 782530), (133, 670740), (140, 637203), (147, 606860), (190, 469518), (196, 455145), (210, 424802), (228, 391265), (245, 364116), (266, 335370), (285, 313012), (294, 303430), (380, 234759), (399, 223580), (420, 212401), (490, 182058), (532, 167685), (570, 156506), (588, 151715), (665, 134148), (735, 121372), (798, 111790), (931, 95820), (980, 91029), (1140, 78253), (1330, 67074), (1470, 60686), (1596, 55895), (1597, 55860), (1862, 47910), (1995, 44716), (2660, 33537), (2793, 31940), (2940, 30343), (3194, 27930), (3724, 23955), (3990, 22358), (4655, 19164), (4791, 18620), (5586, 15970), (6388, 13965), (7980, 11179), (7985, 11172), (9310, 9582)]