878779980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{22091}}^1$

素因数の和:22136

約数の個数: 144

約数和(自身を含む): 3039682464

約数和(自身を除く): 2160902484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7956, 9945, 13260, 19890, 22091, 39780, 44182, 66273, 88364, 110455, 132546, 198819, 220910, 265092, 287183, 331365, 375547, 397638, 441820, 574366, 662730, 751094, 795276, 861549, 994095, 1126641, 1148732, 1325460, 1435915, 1502188, 1723098, 1877735, 1988190, 2253282, 2584647, 2871830, 3379923, 3446196, 3755470, 3976380, 4307745, 4506564, 4882111, 5169294, 5633205, 5743660, 6759846, 7510940, 8615490, 9764222, 10338588, 11266410, 12923235, 13519692, 14646333, 16899615, 17230980, 19528444, 22532820, 24410555, 25846470, 29292666, 33799230, 43938999, 48821110, 51692940, 58585332, 67598460, 73231665, 87877998, 97642220, 146463330, 175755996, 219694995, 292926660, 439389990, 878779980]

約数ペア:

[(1, 878779980), (2, 439389990), (3, 292926660), (4, 219694995), (5, 175755996), (6, 146463330), (9, 97642220), (10, 87877998), (12, 73231665), (13, 67598460), (15, 58585332), (17, 51692940), (18, 48821110), (20, 43938999), (26, 33799230), (30, 29292666), (34, 25846470), (36, 24410555), (39, 22532820), (45, 19528444), (51, 17230980), (52, 16899615), (60, 14646333), (65, 13519692), (68, 12923235), (78, 11266410), (85, 10338588), (90, 9764222), (102, 8615490), (117, 7510940), (130, 6759846), (153, 5743660), (156, 5633205), (170, 5169294), (180, 4882111), (195, 4506564), (204, 4307745), (221, 3976380), (234, 3755470), (255, 3446196), (260, 3379923), (306, 2871830), (340, 2584647), (390, 2253282), (442, 1988190), (468, 1877735), (510, 1723098), (585, 1502188), (612, 1435915), (663, 1325460), (765, 1148732), (780, 1126641), (884, 994095), (1020, 861549), (1105, 795276), (1170, 751094), (1326, 662730), (1530, 574366), (1989, 441820), (2210, 397638), (2340, 375547), (2652, 331365), (3060, 287183), (3315, 265092), (3978, 220910), (4420, 198819), (6630, 132546), (7956, 110455), (9945, 88364), (13260, 66273), (19890, 44182), (22091, 39780)]