21808980180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{716929}}^1$

素因数の和:716970

約数の個数: 108

約数和(自身を含む): 71634211740

約数和(自身を除く): 49825231560

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, 716929, 1433858, 2150787, 2867716, 3584645, 4301574, 6452361, 7169290, 8603148, 9320077, 10753935, 12904722, 14338580, 18640154, 21507870, 25809444, 27960231, 32261805, 37280308, 43015740, 46600385, 55920462, 64523610, 83880693, 93200770, 111840924, 121161001, 129047220, 139801155, 167761386, 186401540, 242322002, 279602310, 335522772, 363483003, 419403465, 484644004, 559204620, 605805005, 726966006, 838806930, 1090449009, 1211610010, 1453932012, 1677613860, 1817415015, 2180898018, 2423220020, 3634830030, 4361796036, 5452245045, 7269660060, 10904490090, 21808980180]

約数ペア:

[(1, 21808980180), (2, 10904490090), (3, 7269660060), (4, 5452245045), (5, 4361796036), (6, 3634830030), (9, 2423220020), (10, 2180898018), (12, 1817415015), (13, 1677613860), (15, 1453932012), (18, 1211610010), (20, 1090449009), (26, 838806930), (30, 726966006), (36, 605805005), (39, 559204620), (45, 484644004), (52, 419403465), (60, 363483003), (65, 335522772), (78, 279602310), (90, 242322002), (117, 186401540), (130, 167761386), (156, 139801155), (169, 129047220), (180, 121161001), (195, 111840924), (234, 93200770), (260, 83880693), (338, 64523610), (390, 55920462), (468, 46600385), (507, 43015740), (585, 37280308), (676, 32261805), (780, 27960231), (845, 25809444), (1014, 21507870), (1170, 18640154), (1521, 14338580), (1690, 12904722), (2028, 10753935), (2340, 9320077), (2535, 8603148), (3042, 7169290), (3380, 6452361), (5070, 4301574), (6084, 3584645), (7605, 2867716), (10140, 2150787), (15210, 1433858), (30420, 716929)]