81336840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3067}}^1$

素因数の和:3111

約数の個数: 128

約数和(自身を含む): 278328960

約数和(自身を除く): 196992120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3067, 3315, 4420, 5304, 6134, 6630, 8840, 9201, 12268, 13260, 15335, 18402, 24536, 26520, 30670, 36804, 39871, 46005, 52139, 61340, 73608, 79742, 92010, 104278, 119613, 122680, 156417, 159484, 184020, 199355, 208556, 239226, 260695, 312834, 318968, 368040, 398710, 417112, 478452, 521390, 598065, 625668, 677807, 782085, 797420, 956904, 1042780, 1196130, 1251336, 1355614, 1564170, 1594840, 2033421, 2085560, 2392260, 2711228, 3128340, 3389035, 4066842, 4784520, 5422456, 6256680, 6778070, 8133684, 10167105, 13556140, 16267368, 20334210, 27112280, 40668420, 81336840]

約数ペア:

[(1, 81336840), (2, 40668420), (3, 27112280), (4, 20334210), (5, 16267368), (6, 13556140), (8, 10167105), (10, 8133684), (12, 6778070), (13, 6256680), (15, 5422456), (17, 4784520), (20, 4066842), (24, 3389035), (26, 3128340), (30, 2711228), (34, 2392260), (39, 2085560), (40, 2033421), (51, 1594840), (52, 1564170), (60, 1355614), (65, 1251336), (68, 1196130), (78, 1042780), (85, 956904), (102, 797420), (104, 782085), (120, 677807), (130, 625668), (136, 598065), (156, 521390), (170, 478452), (195, 417112), (204, 398710), (221, 368040), (255, 318968), (260, 312834), (312, 260695), (340, 239226), (390, 208556), (408, 199355), (442, 184020), (510, 159484), (520, 156417), (663, 122680), (680, 119613), (780, 104278), (884, 92010), (1020, 79742), (1105, 73608), (1326, 61340), (1560, 52139), (1768, 46005), (2040, 39871), (2210, 36804), (2652, 30670), (3067, 26520), (3315, 24536), (4420, 18402), (5304, 15335), (6134, 13260), (6630, 12268), (8840, 9201)]