68434860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 220250016

約数和(自身を除く): 151815156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 169, 170, 195, 204, 221, 255, 260, 338, 340, 390, 397, 442, 507, 510, 663, 676, 780, 794, 845, 884, 1014, 1020, 1105, 1191, 1326, 1588, 1690, 1985, 2028, 2210, 2382, 2535, 2652, 2873, 3315, 3380, 3970, 4420, 4764, 5070, 5161, 5746, 5955, 6630, 6749, 7940, 8619, 10140, 10322, 11492, 11910, 13260, 13498, 14365, 15483, 17238, 20247, 20644, 23820, 25805, 26996, 28730, 30966, 33745, 34476, 40494, 43095, 51610, 57460, 61932, 67093, 67490, 77415, 80988, 86190, 87737, 101235, 103220, 134186, 134980, 154830, 172380, 175474, 201279, 202470, 263211, 268372, 309660, 335465, 350948, 402558, 404940, 438685, 526422, 670930, 805116, 877370, 1006395, 1052844, 1140581, 1316055, 1341860, 1754740, 2012790, 2281162, 2632110, 3421743, 4025580, 4562324, 5264220, 5702905, 6843486, 11405810, 13686972, 17108715, 22811620, 34217430, 68434860]

約数ペア:

[(1, 68434860), (2, 34217430), (3, 22811620), (4, 17108715), (5, 13686972), (6, 11405810), (10, 6843486), (12, 5702905), (13, 5264220), (15, 4562324), (17, 4025580), (20, 3421743), (26, 2632110), (30, 2281162), (34, 2012790), (39, 1754740), (51, 1341860), (52, 1316055), (60, 1140581), (65, 1052844), (68, 1006395), (78, 877370), (85, 805116), (102, 670930), (130, 526422), (156, 438685), (169, 404940), (170, 402558), (195, 350948), (204, 335465), (221, 309660), (255, 268372), (260, 263211), (338, 202470), (340, 201279), (390, 175474), (397, 172380), (442, 154830), (507, 134980), (510, 134186), (663, 103220), (676, 101235), (780, 87737), (794, 86190), (845, 80988), (884, 77415), (1014, 67490), (1020, 67093), (1105, 61932), (1191, 57460), (1326, 51610), (1588, 43095), (1690, 40494), (1985, 34476), (2028, 33745), (2210, 30966), (2382, 28730), (2535, 26996), (2652, 25805), (2873, 23820), (3315, 20644), (3380, 20247), (3970, 17238), (4420, 15483), (4764, 14365), (5070, 13498), (5161, 13260), (5746, 11910), (5955, 11492), (6630, 10322), (6749, 10140), (7940, 8619)]