320109660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:677

約数の個数: 216

約数和(自身を含む): 1115084880

約数和(自身を除く): 794975220

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, 169, 170, 180, 195, 204, 221, 234, 255, 260, 306, 338, 340, 390, 442, 468, 507, 510, 585, 612, 619, 663, 676, 765, 780, 845, 884, 1014, 1020, 1105, 1170, 1238, 1326, 1521, 1530, 1690, 1857, 1989, 2028, 2210, 2340, 2476, 2535, 2652, 2873, 3042, 3060, 3095, 3315, 3380, 3714, 3978, 4420, 5070, 5571, 5746, 6084, 6190, 6630, 7428, 7605, 7956, 8047, 8619, 9285, 9945, 10140, 10523, 11142, 11492, 12380, 13260, 14365, 15210, 16094, 17238, 18570, 19890, 21046, 22284, 24141, 25857, 27855, 28730, 30420, 31569, 32188, 34476, 37140, 39780, 40235, 42092, 43095, 48282, 51714, 52615, 55710, 57460, 63138, 72423, 80470, 86190, 94707, 96564, 103428, 104611, 105230, 111420, 120705, 126276, 129285, 136799, 144846, 157845, 160940, 172380, 189414, 209222, 210460, 241410, 258570, 273598, 289692, 313833, 315690, 362115, 378828, 410397, 418444, 473535, 482820, 517140, 523055, 547196, 627666, 631380, 683995, 724230, 820794, 941499, 947070, 1046110, 1231191, 1255332, 1367990, 1448460, 1569165, 1641588, 1778387, 1882998, 1894140, 2051985, 2092220, 2462382, 2735980, 3138330, 3556774, 3765996, 4103970, 4707495, 4924764, 5335161, 6155955, 6276660, 7113548, 8207940, 8891935, 9414990, 10670322, 12311910, 16005483, 17783870, 18829980, 21340644, 24623820, 26675805, 32010966, 35567740, 53351610, 64021932, 80027415, 106703220, 160054830, 320109660]

約数ペア:

[(1, 320109660), (2, 160054830), (3, 106703220), (4, 80027415), (5, 64021932), (6, 53351610), (9, 35567740), (10, 32010966), (12, 26675805), (13, 24623820), (15, 21340644), (17, 18829980), (18, 17783870), (20, 16005483), (26, 12311910), (30, 10670322), (34, 9414990), (36, 8891935), (39, 8207940), (45, 7113548), (51, 6276660), (52, 6155955), (60, 5335161), (65, 4924764), (68, 4707495), (78, 4103970), (85, 3765996), (90, 3556774), (102, 3138330), (117, 2735980), (130, 2462382), (153, 2092220), (156, 2051985), (169, 1894140), (170, 1882998), (180, 1778387), (195, 1641588), (204, 1569165), (221, 1448460), (234, 1367990), (255, 1255332), (260, 1231191), (306, 1046110), (338, 947070), (340, 941499), (390, 820794), (442, 724230), (468, 683995), (507, 631380), (510, 627666), (585, 547196), (612, 523055), (619, 517140), (663, 482820), (676, 473535), (765, 418444), (780, 410397), (845, 378828), (884, 362115), (1014, 315690), (1020, 313833), (1105, 289692), (1170, 273598), (1238, 258570), (1326, 241410), (1521, 210460), (1530, 209222), (1690, 189414), (1857, 172380), (1989, 160940), (2028, 157845), (2210, 144846), (2340, 136799), (2476, 129285), (2535, 126276), (2652, 120705), (2873, 111420), (3042, 105230), (3060, 104611), (3095, 103428), (3315, 96564), (3380, 94707), (3714, 86190), (3978, 80470), (4420, 72423), (5070, 63138), (5571, 57460), (5746, 55710), (6084, 52615), (6190, 51714), (6630, 48282), (7428, 43095), (7605, 42092), (7956, 40235), (8047, 39780), (8619, 37140), (9285, 34476), (9945, 32188), (10140, 31569), (10523, 30420), (11142, 28730), (11492, 27855), (12380, 25857), (13260, 24141), (14365, 22284), (15210, 21046), (16094, 19890), (17238, 18570)]