2018640780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{66359}}^1$

素因数の和:66400

約数の個数: 108

約数和(自身を含む): 6630558480

約数和(自身を除く): 4611917700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1170, 1521, 1690, 2028, 2340, 2535, 3042, 3380, 5070, 6084, 7605, 10140, 15210, 30420, 66359, 132718, 199077, 265436, 331795, 398154, 597231, 663590, 796308, 862667, 995385, 1194462, 1327180, 1725334, 1990770, 2388924, 2588001, 2986155, 3450668, 3981540, 4313335, 5176002, 5972310, 7764003, 8626670, 10352004, 11214671, 11944620, 12940005, 15528006, 17253340, 22429342, 25880010, 31056012, 33644013, 38820015, 44858684, 51760020, 56073355, 67288026, 77640030, 100932039, 112146710, 134576052, 155280060, 168220065, 201864078, 224293420, 336440130, 403728156, 504660195, 672880260, 1009320390, 2018640780]

約数ペア:

[(1, 2018640780), (2, 1009320390), (3, 672880260), (4, 504660195), (5, 403728156), (6, 336440130), (9, 224293420), (10, 201864078), (12, 168220065), (13, 155280060), (15, 134576052), (18, 112146710), (20, 100932039), (26, 77640030), (30, 67288026), (36, 56073355), (39, 51760020), (45, 44858684), (52, 38820015), (60, 33644013), (65, 31056012), (78, 25880010), (90, 22429342), (117, 17253340), (130, 15528006), (156, 12940005), (169, 11944620), (180, 11214671), (195, 10352004), (234, 8626670), (260, 7764003), (338, 5972310), (390, 5176002), (468, 4313335), (507, 3981540), (585, 3450668), (676, 2986155), (780, 2588001), (845, 2388924), (1014, 1990770), (1170, 1725334), (1521, 1327180), (1690, 1194462), (2028, 995385), (2340, 862667), (2535, 796308), (3042, 663590), (3380, 597231), (5070, 398154), (6084, 331795), (7605, 265436), (10140, 199077), (15210, 132718), (30420, 66359)]