51189720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1091}}^1$

素因数の和:1145

約数の個数: 128

約数和(自身を含む): 169827840

約数和(自身を除く): 118638120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1091, 1173, 1380, 1564, 1955, 2040, 2182, 2346, 2760, 3128, 3273, 3910, 4364, 4692, 5455, 5865, 6546, 7820, 8728, 9384, 10910, 11730, 13092, 15640, 16365, 18547, 21820, 23460, 25093, 26184, 32730, 37094, 43640, 46920, 50186, 55641, 65460, 74188, 75279, 92735, 100372, 111282, 125465, 130920, 148376, 150558, 185470, 200744, 222564, 250930, 278205, 301116, 370940, 376395, 426581, 445128, 501860, 556410, 602232, 741880, 752790, 853162, 1003720, 1112820, 1279743, 1505580, 1706324, 2132905, 2225640, 2559486, 3011160, 3412648, 4265810, 5118972, 6398715, 8531620, 10237944, 12797430, 17063240, 25594860, 51189720]

約数ペア:

[(1, 51189720), (2, 25594860), (3, 17063240), (4, 12797430), (5, 10237944), (6, 8531620), (8, 6398715), (10, 5118972), (12, 4265810), (15, 3412648), (17, 3011160), (20, 2559486), (23, 2225640), (24, 2132905), (30, 1706324), (34, 1505580), (40, 1279743), (46, 1112820), (51, 1003720), (60, 853162), (68, 752790), (69, 741880), (85, 602232), (92, 556410), (102, 501860), (115, 445128), (120, 426581), (136, 376395), (138, 370940), (170, 301116), (184, 278205), (204, 250930), (230, 222564), (255, 200744), (276, 185470), (340, 150558), (345, 148376), (391, 130920), (408, 125465), (460, 111282), (510, 100372), (552, 92735), (680, 75279), (690, 74188), (782, 65460), (920, 55641), (1020, 50186), (1091, 46920), (1173, 43640), (1380, 37094), (1564, 32730), (1955, 26184), (2040, 25093), (2182, 23460), (2346, 21820), (2760, 18547), (3128, 16365), (3273, 15640), (3910, 13092), (4364, 11730), (4692, 10910), (5455, 9384), (5865, 8728), (6546, 7820)]