30978990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:503

約数の個数: 128

約数和(自身を含む): 97182720

約数和(自身を除く): 66203730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 37, 42, 45, 54, 63, 70, 74, 90, 105, 111, 126, 135, 185, 189, 210, 222, 259, 270, 315, 333, 370, 378, 443, 518, 555, 630, 666, 777, 886, 945, 999, 1110, 1295, 1329, 1554, 1665, 1890, 1998, 2215, 2331, 2590, 2658, 3101, 3330, 3885, 3987, 4430, 4662, 4995, 6202, 6645, 6993, 7770, 7974, 9303, 9990, 11655, 11961, 13290, 13986, 15505, 16391, 18606, 19935, 23310, 23922, 27909, 31010, 32782, 34965, 39870, 46515, 49173, 55818, 59805, 69930, 81955, 83727, 93030, 98346, 114737, 119610, 139545, 147519, 163910, 167454, 229474, 245865, 279090, 295038, 344211, 418635, 442557, 491730, 573685, 688422, 737595, 837270, 885114, 1032633, 1147370, 1475190, 1721055, 2065266, 2212785, 3097899, 3442110, 4425570, 5163165, 6195798, 10326330, 15489495, 30978990]

約数ペア:

[(1, 30978990), (2, 15489495), (3, 10326330), (5, 6195798), (6, 5163165), (7, 4425570), (9, 3442110), (10, 3097899), (14, 2212785), (15, 2065266), (18, 1721055), (21, 1475190), (27, 1147370), (30, 1032633), (35, 885114), (37, 837270), (42, 737595), (45, 688422), (54, 573685), (63, 491730), (70, 442557), (74, 418635), (90, 344211), (105, 295038), (111, 279090), (126, 245865), (135, 229474), (185, 167454), (189, 163910), (210, 147519), (222, 139545), (259, 119610), (270, 114737), (315, 98346), (333, 93030), (370, 83727), (378, 81955), (443, 69930), (518, 59805), (555, 55818), (630, 49173), (666, 46515), (777, 39870), (886, 34965), (945, 32782), (999, 31010), (1110, 27909), (1295, 23922), (1329, 23310), (1554, 19935), (1665, 18606), (1890, 16391), (1998, 15505), (2215, 13986), (2331, 13290), (2590, 11961), (2658, 11655), (3101, 9990), (3330, 9303), (3885, 7974), (3987, 7770), (4430, 6993), (4662, 6645), (4995, 6202)]