1805992960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20749}}^1$

素因数の和:20791

約数の個数: 88

約数和(自身を含む): 4587327000

約数和(自身を除く): 2781334040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1024, 1088, 1280, 1360, 2176, 2560, 2720, 4352, 5120, 5440, 8704, 10880, 17408, 20749, 21760, 41498, 43520, 82996, 87040, 103745, 165992, 207490, 331984, 352733, 414980, 663968, 705466, 829960, 1327936, 1410932, 1659920, 1763665, 2655872, 2821864, 3319840, 3527330, 5311744, 5643728, 6639680, 7054660, 10623488, 11287456, 13279360, 14109320, 21246976, 22574912, 26558720, 28218640, 45149824, 53117440, 56437280, 90299648, 106234880, 112874560, 180599296, 225749120, 361198592, 451498240, 902996480, 1805992960]

約数ペア:

[(1, 1805992960), (2, 902996480), (4, 451498240), (5, 361198592), (8, 225749120), (10, 180599296), (16, 112874560), (17, 106234880), (20, 90299648), (32, 56437280), (34, 53117440), (40, 45149824), (64, 28218640), (68, 26558720), (80, 22574912), (85, 21246976), (128, 14109320), (136, 13279360), (160, 11287456), (170, 10623488), (256, 7054660), (272, 6639680), (320, 5643728), (340, 5311744), (512, 3527330), (544, 3319840), (640, 2821864), (680, 2655872), (1024, 1763665), (1088, 1659920), (1280, 1410932), (1360, 1327936), (2176, 829960), (2560, 705466), (2720, 663968), (4352, 414980), (5120, 352733), (5440, 331984), (8704, 207490), (10880, 165992), (17408, 103745), (20749, 87040), (21760, 82996), (41498, 43520)]