438128880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{260791}}^1$

素因数の和:260814

約数の個数: 80

約数和(自身を含む): 1552233984

約数和(自身を除く): 1114105104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 260791, 521582, 782373, 1043164, 1303955, 1564746, 1825537, 2086328, 2607910, 3129492, 3651074, 3911865, 4172656, 5215820, 5476611, 6258984, 7302148, 7823730, 9127685, 10431640, 10953222, 12517968, 14604296, 15647460, 18255370, 20863280, 21906444, 27383055, 29208592, 31294920, 36510740, 43812888, 54766110, 62589840, 73021480, 87625776, 109532220, 146042960, 219064440, 438128880]

約数ペア:

[(1, 438128880), (2, 219064440), (3, 146042960), (4, 109532220), (5, 87625776), (6, 73021480), (7, 62589840), (8, 54766110), (10, 43812888), (12, 36510740), (14, 31294920), (15, 29208592), (16, 27383055), (20, 21906444), (21, 20863280), (24, 18255370), (28, 15647460), (30, 14604296), (35, 12517968), (40, 10953222), (42, 10431640), (48, 9127685), (56, 7823730), (60, 7302148), (70, 6258984), (80, 5476611), (84, 5215820), (105, 4172656), (112, 3911865), (120, 3651074), (140, 3129492), (168, 2607910), (210, 2086328), (240, 1825537), (280, 1564746), (336, 1303955), (420, 1043164), (560, 782373), (840, 521582), (1680, 260791)]