19890360

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{877}}^1$

素因数の和:907

約数の個数: 160

約数和(自身を含む): 76491360

約数和(自身を除く): 56601000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 877, 945, 1080, 1134, 1260, 1512, 1620, 1754, 1890, 2268, 2520, 2631, 2835, 3240, 3508, 3780, 4385, 4536, 5262, 5670, 6139, 7016, 7560, 7893, 8770, 10524, 11340, 12278, 13155, 15786, 17540, 18417, 21048, 22680, 23679, 24556, 26310, 30695, 31572, 35080, 36834, 39465, 47358, 49112, 52620, 55251, 61390, 63144, 71037, 73668, 78930, 92085, 94716, 105240, 110502, 118395, 122780, 142074, 147336, 157860, 165753, 184170, 189432, 221004, 236790, 245560, 276255, 284148, 315720, 331506, 355185, 368340, 442008, 473580, 497259, 552510, 568296, 663012, 710370, 736680, 828765, 947160, 994518, 1105020, 1326024, 1420740, 1657530, 1989036, 2210040, 2486295, 2841480, 3315060, 3978072, 4972590, 6630120, 9945180, 19890360]

約数ペア:

[(1, 19890360), (2, 9945180), (3, 6630120), (4, 4972590), (5, 3978072), (6, 3315060), (7, 2841480), (8, 2486295), (9, 2210040), (10, 1989036), (12, 1657530), (14, 1420740), (15, 1326024), (18, 1105020), (20, 994518), (21, 947160), (24, 828765), (27, 736680), (28, 710370), (30, 663012), (35, 568296), (36, 552510), (40, 497259), (42, 473580), (45, 442008), (54, 368340), (56, 355185), (60, 331506), (63, 315720), (70, 284148), (72, 276255), (81, 245560), (84, 236790), (90, 221004), (105, 189432), (108, 184170), (120, 165753), (126, 157860), (135, 147336), (140, 142074), (162, 122780), (168, 118395), (180, 110502), (189, 105240), (210, 94716), (216, 92085), (252, 78930), (270, 73668), (280, 71037), (315, 63144), (324, 61390), (360, 55251), (378, 52620), (405, 49112), (420, 47358), (504, 39465), (540, 36834), (567, 35080), (630, 31572), (648, 30695), (756, 26310), (810, 24556), (840, 23679), (877, 22680), (945, 21048), (1080, 18417), (1134, 17540), (1260, 15786), (1512, 13155), (1620, 12278), (1754, 11340), (1890, 10524), (2268, 8770), (2520, 7893), (2631, 7560), (2835, 7016), (3240, 6139), (3508, 5670), (3780, 5262), (4385, 4536)]