621706240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3917}}^1$

素因数の和:3973

約数の個数: 88

約数和(自身を含む): 1539868032

約数和(自身を除く): 918161792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 2480, 2560, 3917, 3968, 4960, 5120, 7834, 7936, 9920, 15668, 15872, 19585, 19840, 31336, 31744, 39170, 39680, 62672, 78340, 79360, 121427, 125344, 156680, 158720, 242854, 250688, 313360, 485708, 501376, 607135, 626720, 971416, 1002752, 1214270, 1253440, 1942832, 2005504, 2428540, 2506880, 3885664, 4011008, 4857080, 5013760, 7771328, 9714160, 10027520, 15542656, 19428320, 20055040, 31085312, 38856640, 62170624, 77713280, 124341248, 155426560, 310853120, 621706240]

約数ペア:

[(1, 621706240), (2, 310853120), (4, 155426560), (5, 124341248), (8, 77713280), (10, 62170624), (16, 38856640), (20, 31085312), (31, 20055040), (32, 19428320), (40, 15542656), (62, 10027520), (64, 9714160), (80, 7771328), (124, 5013760), (128, 4857080), (155, 4011008), (160, 3885664), (248, 2506880), (256, 2428540), (310, 2005504), (320, 1942832), (496, 1253440), (512, 1214270), (620, 1002752), (640, 971416), (992, 626720), (1024, 607135), (1240, 501376), (1280, 485708), (1984, 313360), (2480, 250688), (2560, 242854), (3917, 158720), (3968, 156680), (4960, 125344), (5120, 121427), (7834, 79360), (7936, 78340), (9920, 62672), (15668, 39680), (15872, 39170), (19585, 31744), (19840, 31336)]