72513480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:140

約数の個数: 256

約数和(自身を含む): 255467520

約数和(自身を除く): 182954040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 43, 46, 47, 52, 60, 65, 69, 78, 86, 92, 94, 104, 115, 120, 129, 130, 138, 141, 156, 172, 184, 188, 195, 215, 230, 235, 258, 260, 276, 282, 299, 312, 344, 345, 376, 390, 430, 460, 470, 516, 520, 552, 559, 564, 598, 611, 645, 690, 705, 780, 860, 897, 920, 940, 989, 1032, 1081, 1118, 1128, 1196, 1222, 1290, 1380, 1410, 1495, 1560, 1677, 1720, 1794, 1833, 1880, 1978, 2021, 2162, 2236, 2392, 2444, 2580, 2760, 2795, 2820, 2967, 2990, 3055, 3243, 3354, 3588, 3666, 3956, 4042, 4324, 4472, 4485, 4888, 4945, 5160, 5405, 5590, 5640, 5934, 5980, 6063, 6110, 6486, 6708, 7176, 7332, 7912, 8084, 8385, 8648, 8970, 9165, 9890, 10105, 10810, 11180, 11868, 11960, 12126, 12220, 12857, 12972, 13416, 14053, 14664, 14835, 16168, 16215, 16770, 17940, 18330, 19780, 20210, 21620, 22360, 23736, 24252, 24440, 25714, 25944, 26273, 28106, 29670, 30315, 32430, 33540, 35880, 36660, 38571, 39560, 40420, 42159, 43240, 46483, 48504, 51428, 52546, 56212, 59340, 60630, 64285, 64860, 67080, 70265, 73320, 77142, 78819, 80840, 84318, 92966, 102856, 105092, 112424, 118680, 121260, 128570, 129720, 131365, 139449, 140530, 154284, 157638, 168636, 185932, 192855, 210184, 210795, 232415, 242520, 257140, 262730, 278898, 281060, 308568, 315276, 337272, 371864, 385710, 394095, 421590, 464830, 514280, 525460, 557796, 562120, 604279, 630552, 697245, 771420, 788190, 843180, 929660, 1050920, 1115592, 1208558, 1394490, 1542840, 1576380, 1686360, 1812837, 1859320, 2417116, 2788980, 3021395, 3152760, 3625674, 4834232, 5577960, 6042790, 7251348, 9064185, 12085580, 14502696, 18128370, 24171160, 36256740, 72513480]

約数ペア:

[(1, 72513480), (2, 36256740), (3, 24171160), (4, 18128370), (5, 14502696), (6, 12085580), (8, 9064185), (10, 7251348), (12, 6042790), (13, 5577960), (15, 4834232), (20, 3625674), (23, 3152760), (24, 3021395), (26, 2788980), (30, 2417116), (39, 1859320), (40, 1812837), (43, 1686360), (46, 1576380), (47, 1542840), (52, 1394490), (60, 1208558), (65, 1115592), (69, 1050920), (78, 929660), (86, 843180), (92, 788190), (94, 771420), (104, 697245), (115, 630552), (120, 604279), (129, 562120), (130, 557796), (138, 525460), (141, 514280), (156, 464830), (172, 421590), (184, 394095), (188, 385710), (195, 371864), (215, 337272), (230, 315276), (235, 308568), (258, 281060), (260, 278898), (276, 262730), (282, 257140), (299, 242520), (312, 232415), (344, 210795), (345, 210184), (376, 192855), (390, 185932), (430, 168636), (460, 157638), (470, 154284), (516, 140530), (520, 139449), (552, 131365), (559, 129720), (564, 128570), (598, 121260), (611, 118680), (645, 112424), (690, 105092), (705, 102856), (780, 92966), (860, 84318), (897, 80840), (920, 78819), (940, 77142), (989, 73320), (1032, 70265), (1081, 67080), (1118, 64860), (1128, 64285), (1196, 60630), (1222, 59340), (1290, 56212), (1380, 52546), (1410, 51428), (1495, 48504), (1560, 46483), (1677, 43240), (1720, 42159), (1794, 40420), (1833, 39560), (1880, 38571), (1978, 36660), (2021, 35880), (2162, 33540), (2236, 32430), (2392, 30315), (2444, 29670), (2580, 28106), (2760, 26273), (2795, 25944), (2820, 25714), (2967, 24440), (2990, 24252), (3055, 23736), (3243, 22360), (3354, 21620), (3588, 20210), (3666, 19780), (3956, 18330), (4042, 17940), (4324, 16770), (4472, 16215), (4485, 16168), (4888, 14835), (4945, 14664), (5160, 14053), (5405, 13416), (5590, 12972), (5640, 12857), (5934, 12220), (5980, 12126), (6063, 11960), (6110, 11868), (6486, 11180), (6708, 10810), (7176, 10105), (7332, 9890), (7912, 9165), (8084, 8970), (8385, 8648)]