81742560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8963}}^1$

素因数の和:9000

約数の個数: 96

約数和(自身を含む): 271071360

約数和(自身を除く): 189328800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 3040, 4560, 8963, 9120, 17926, 26889, 35852, 44815, 53778, 71704, 89630, 107556, 134445, 143408, 170297, 179260, 215112, 268890, 286816, 340594, 358520, 430224, 510891, 537780, 681188, 717040, 851485, 860448, 1021782, 1075560, 1362376, 1434080, 1702970, 2043564, 2151120, 2554455, 2724752, 3405940, 4087128, 4302240, 5108910, 5449504, 6811880, 8174256, 10217820, 13623760, 16348512, 20435640, 27247520, 40871280, 81742560]

約数ペア:

[(1, 81742560), (2, 40871280), (3, 27247520), (4, 20435640), (5, 16348512), (6, 13623760), (8, 10217820), (10, 8174256), (12, 6811880), (15, 5449504), (16, 5108910), (19, 4302240), (20, 4087128), (24, 3405940), (30, 2724752), (32, 2554455), (38, 2151120), (40, 2043564), (48, 1702970), (57, 1434080), (60, 1362376), (76, 1075560), (80, 1021782), (95, 860448), (96, 851485), (114, 717040), (120, 681188), (152, 537780), (160, 510891), (190, 430224), (228, 358520), (240, 340594), (285, 286816), (304, 268890), (380, 215112), (456, 179260), (480, 170297), (570, 143408), (608, 134445), (760, 107556), (912, 89630), (1140, 71704), (1520, 53778), (1824, 44815), (2280, 35852), (3040, 26889), (4560, 17926), (8963, 9120)]