30455880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2789}}^1$

素因数の和:2823

約数の個数: 128

約数和(自身を含む): 112492800

約数和(自身を除く): 82036920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 2789, 3640, 5460, 5578, 8367, 10920, 11156, 13945, 16734, 19523, 22312, 27890, 33468, 36257, 39046, 41835, 55780, 58569, 66936, 72514, 78092, 83670, 97615, 108771, 111560, 117138, 145028, 156184, 167340, 181285, 195230, 217542, 234276, 253799, 290056, 292845, 334680, 362570, 390460, 435084, 468552, 507598, 543855, 585690, 725140, 761397, 780920, 870168, 1015196, 1087710, 1171380, 1268995, 1450280, 1522794, 2030392, 2175420, 2342760, 2537990, 3045588, 3806985, 4350840, 5075980, 6091176, 7613970, 10151960, 15227940, 30455880]

約数ペア:

[(1, 30455880), (2, 15227940), (3, 10151960), (4, 7613970), (5, 6091176), (6, 5075980), (7, 4350840), (8, 3806985), (10, 3045588), (12, 2537990), (13, 2342760), (14, 2175420), (15, 2030392), (20, 1522794), (21, 1450280), (24, 1268995), (26, 1171380), (28, 1087710), (30, 1015196), (35, 870168), (39, 780920), (40, 761397), (42, 725140), (52, 585690), (56, 543855), (60, 507598), (65, 468552), (70, 435084), (78, 390460), (84, 362570), (91, 334680), (104, 292845), (105, 290056), (120, 253799), (130, 234276), (140, 217542), (156, 195230), (168, 181285), (182, 167340), (195, 156184), (210, 145028), (260, 117138), (273, 111560), (280, 108771), (312, 97615), (364, 83670), (390, 78092), (420, 72514), (455, 66936), (520, 58569), (546, 55780), (728, 41835), (780, 39046), (840, 36257), (910, 33468), (1092, 27890), (1365, 22312), (1560, 19523), (1820, 16734), (2184, 13945), (2730, 11156), (2789, 10920), (3640, 8367), (5460, 5578)]