749427720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{87961}}^1$

素因数の和:88046

約数の個数: 64

約数和(自身を含む): 2279975040

約数和(自身を除く): 1530547320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 87961, 175922, 263883, 351844, 439805, 527766, 703688, 879610, 1055532, 1319415, 1759220, 2111064, 2638830, 3518440, 5277660, 6245231, 10555320, 12490462, 18735693, 24980924, 31226155, 37471386, 49961848, 62452310, 74942772, 93678465, 124904620, 149885544, 187356930, 249809240, 374713860, 749427720]

約数ペア:

[(1, 749427720), (2, 374713860), (3, 249809240), (4, 187356930), (5, 149885544), (6, 124904620), (8, 93678465), (10, 74942772), (12, 62452310), (15, 49961848), (20, 37471386), (24, 31226155), (30, 24980924), (40, 18735693), (60, 12490462), (71, 10555320), (120, 6245231), (142, 5277660), (213, 3518440), (284, 2638830), (355, 2111064), (426, 1759220), (568, 1319415), (710, 1055532), (852, 879610), (1065, 703688), (1420, 527766), (1704, 439805), (2130, 351844), (2840, 263883), (4260, 175922), (8520, 87961)]