68656380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 192

約数和(自身を含む): 223534080

約数和(自身を除く): 154877700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 43, 46, 52, 60, 65, 69, 78, 86, 89, 92, 115, 129, 130, 138, 156, 172, 178, 195, 215, 230, 258, 260, 267, 276, 299, 345, 356, 390, 430, 445, 460, 516, 534, 559, 598, 645, 690, 780, 860, 890, 897, 989, 1068, 1118, 1157, 1196, 1290, 1335, 1380, 1495, 1677, 1780, 1794, 1978, 2047, 2236, 2314, 2580, 2670, 2795, 2967, 2990, 3354, 3471, 3588, 3827, 3956, 4094, 4485, 4628, 4945, 5340, 5590, 5785, 5934, 5980, 6141, 6708, 6942, 7654, 8188, 8385, 8970, 9890, 10235, 11180, 11481, 11570, 11868, 12282, 12857, 13884, 14835, 15308, 16770, 17355, 17940, 19135, 19780, 20470, 22962, 23140, 24564, 25714, 26611, 29670, 30705, 33540, 34710, 38270, 38571, 40940, 45924, 49751, 51428, 53222, 57405, 59340, 61410, 64285, 69420, 76540, 77142, 79833, 88021, 99502, 106444, 114810, 122820, 128570, 133055, 149253, 154284, 159666, 176042, 192855, 199004, 229620, 248755, 257140, 264063, 266110, 298506, 319332, 352084, 385710, 399165, 440105, 497510, 528126, 532220, 597012, 746265, 771420, 798330, 880210, 995020, 1056252, 1144273, 1320315, 1492530, 1596660, 1760420, 2288546, 2640630, 2985060, 3432819, 4577092, 5281260, 5721365, 6865638, 11442730, 13731276, 17164095, 22885460, 34328190, 68656380]

約数ペア:

[(1, 68656380), (2, 34328190), (3, 22885460), (4, 17164095), (5, 13731276), (6, 11442730), (10, 6865638), (12, 5721365), (13, 5281260), (15, 4577092), (20, 3432819), (23, 2985060), (26, 2640630), (30, 2288546), (39, 1760420), (43, 1596660), (46, 1492530), (52, 1320315), (60, 1144273), (65, 1056252), (69, 995020), (78, 880210), (86, 798330), (89, 771420), (92, 746265), (115, 597012), (129, 532220), (130, 528126), (138, 497510), (156, 440105), (172, 399165), (178, 385710), (195, 352084), (215, 319332), (230, 298506), (258, 266110), (260, 264063), (267, 257140), (276, 248755), (299, 229620), (345, 199004), (356, 192855), (390, 176042), (430, 159666), (445, 154284), (460, 149253), (516, 133055), (534, 128570), (559, 122820), (598, 114810), (645, 106444), (690, 99502), (780, 88021), (860, 79833), (890, 77142), (897, 76540), (989, 69420), (1068, 64285), (1118, 61410), (1157, 59340), (1196, 57405), (1290, 53222), (1335, 51428), (1380, 49751), (1495, 45924), (1677, 40940), (1780, 38571), (1794, 38270), (1978, 34710), (2047, 33540), (2236, 30705), (2314, 29670), (2580, 26611), (2670, 25714), (2795, 24564), (2967, 23140), (2990, 22962), (3354, 20470), (3471, 19780), (3588, 19135), (3827, 17940), (3956, 17355), (4094, 16770), (4485, 15308), (4628, 14835), (4945, 13884), (5340, 12857), (5590, 12282), (5785, 11868), (5934, 11570), (5980, 11481), (6141, 11180), (6708, 10235), (6942, 9890), (7654, 8970), (8188, 8385)]