22161880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 59875200

約数和(自身を除く): 37713320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 23, 26, 34, 40, 46, 52, 65, 68, 85, 92, 104, 109, 115, 130, 136, 170, 184, 218, 221, 230, 260, 299, 340, 391, 436, 442, 460, 520, 545, 598, 680, 782, 872, 884, 920, 1090, 1105, 1196, 1417, 1495, 1564, 1768, 1853, 1955, 2180, 2210, 2392, 2507, 2834, 2990, 3128, 3706, 3910, 4360, 4420, 5014, 5083, 5668, 5980, 7085, 7412, 7820, 8840, 9265, 10028, 10166, 11336, 11960, 12535, 14170, 14824, 15640, 18530, 20056, 20332, 24089, 25070, 25415, 28340, 32591, 37060, 40664, 42619, 48178, 50140, 50830, 56680, 65182, 74120, 85238, 96356, 100280, 101660, 120445, 130364, 162955, 170476, 192712, 203320, 213095, 240890, 260728, 325910, 340952, 426190, 481780, 554047, 651820, 852380, 963560, 1108094, 1303640, 1704760, 2216188, 2770235, 4432376, 5540470, 11080940, 22161880]

約数ペア:

[(1, 22161880), (2, 11080940), (4, 5540470), (5, 4432376), (8, 2770235), (10, 2216188), (13, 1704760), (17, 1303640), (20, 1108094), (23, 963560), (26, 852380), (34, 651820), (40, 554047), (46, 481780), (52, 426190), (65, 340952), (68, 325910), (85, 260728), (92, 240890), (104, 213095), (109, 203320), (115, 192712), (130, 170476), (136, 162955), (170, 130364), (184, 120445), (218, 101660), (221, 100280), (230, 96356), (260, 85238), (299, 74120), (340, 65182), (391, 56680), (436, 50830), (442, 50140), (460, 48178), (520, 42619), (545, 40664), (598, 37060), (680, 32591), (782, 28340), (872, 25415), (884, 25070), (920, 24089), (1090, 20332), (1105, 20056), (1196, 18530), (1417, 15640), (1495, 14824), (1564, 14170), (1768, 12535), (1853, 11960), (1955, 11336), (2180, 10166), (2210, 10028), (2392, 9265), (2507, 8840), (2834, 7820), (2990, 7412), (3128, 7085), (3706, 5980), (3910, 5668), (4360, 5083), (4420, 5014)]