661969620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:551

約数の個数: 216

約数和(自身を含む): 2225373696

約数和(自身を除く): 1563404076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 47, 52, 60, 65, 78, 90, 94, 117, 130, 141, 156, 169, 180, 188, 195, 234, 235, 260, 282, 338, 390, 423, 463, 468, 470, 507, 564, 585, 611, 676, 705, 780, 845, 846, 926, 940, 1014, 1170, 1222, 1389, 1410, 1521, 1690, 1692, 1833, 1852, 2028, 2115, 2315, 2340, 2444, 2535, 2778, 2820, 3042, 3055, 3380, 3666, 4167, 4230, 4630, 5070, 5499, 5556, 6019, 6084, 6110, 6945, 7332, 7605, 7943, 8334, 8460, 9165, 9260, 10140, 10998, 12038, 12220, 13890, 15210, 15886, 16668, 18057, 18330, 20835, 21761, 21996, 23829, 24076, 27495, 27780, 30095, 30420, 31772, 36114, 36660, 39715, 41670, 43522, 47658, 54171, 54990, 60190, 65283, 71487, 72228, 78247, 79430, 83340, 87044, 90285, 95316, 108342, 108805, 109980, 119145, 120380, 130566, 142974, 156494, 158860, 180570, 195849, 216684, 217610, 234741, 238290, 261132, 270855, 282893, 285948, 312988, 326415, 357435, 361140, 391235, 391698, 435220, 469482, 476580, 541710, 565786, 652830, 704223, 714870, 782470, 783396, 848679, 938964, 979245, 1083420, 1131572, 1173705, 1305660, 1408446, 1414465, 1429740, 1564940, 1697358, 1958490, 2347410, 2546037, 2816892, 2828930, 3394716, 3521115, 3677609, 3916980, 4243395, 4694820, 5092074, 5657860, 7042230, 7355218, 8486790, 10184148, 11032827, 12730185, 14084460, 14710436, 16973580, 18388045, 22065654, 25460370, 33098481, 36776090, 44131308, 50920740, 55164135, 66196962, 73552180, 110328270, 132393924, 165492405, 220656540, 330984810, 661969620]

約数ペア:

[(1, 661969620), (2, 330984810), (3, 220656540), (4, 165492405), (5, 132393924), (6, 110328270), (9, 73552180), (10, 66196962), (12, 55164135), (13, 50920740), (15, 44131308), (18, 36776090), (20, 33098481), (26, 25460370), (30, 22065654), (36, 18388045), (39, 16973580), (45, 14710436), (47, 14084460), (52, 12730185), (60, 11032827), (65, 10184148), (78, 8486790), (90, 7355218), (94, 7042230), (117, 5657860), (130, 5092074), (141, 4694820), (156, 4243395), (169, 3916980), (180, 3677609), (188, 3521115), (195, 3394716), (234, 2828930), (235, 2816892), (260, 2546037), (282, 2347410), (338, 1958490), (390, 1697358), (423, 1564940), (463, 1429740), (468, 1414465), (470, 1408446), (507, 1305660), (564, 1173705), (585, 1131572), (611, 1083420), (676, 979245), (705, 938964), (780, 848679), (845, 783396), (846, 782470), (926, 714870), (940, 704223), (1014, 652830), (1170, 565786), (1222, 541710), (1389, 476580), (1410, 469482), (1521, 435220), (1690, 391698), (1692, 391235), (1833, 361140), (1852, 357435), (2028, 326415), (2115, 312988), (2315, 285948), (2340, 282893), (2444, 270855), (2535, 261132), (2778, 238290), (2820, 234741), (3042, 217610), (3055, 216684), (3380, 195849), (3666, 180570), (4167, 158860), (4230, 156494), (4630, 142974), (5070, 130566), (5499, 120380), (5556, 119145), (6019, 109980), (6084, 108805), (6110, 108342), (6945, 95316), (7332, 90285), (7605, 87044), (7943, 83340), (8334, 79430), (8460, 78247), (9165, 72228), (9260, 71487), (10140, 65283), (10998, 60190), (12038, 54990), (12220, 54171), (13890, 47658), (15210, 43522), (15886, 41670), (16668, 39715), (18057, 36660), (18330, 36114), (20835, 31772), (21761, 30420), (21996, 30095), (23829, 27780), (24076, 27495)]