320455980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:461

約数の個数: 192

約数和(自身を含む): 1083801600

約数和(自身を除く): 763345620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 191, 195, 234, 239, 260, 270, 351, 382, 390, 468, 478, 540, 573, 585, 702, 717, 764, 780, 955, 956, 1146, 1170, 1195, 1404, 1434, 1719, 1755, 1910, 2151, 2292, 2340, 2390, 2483, 2865, 2868, 3107, 3438, 3510, 3585, 3820, 4302, 4780, 4966, 5157, 5730, 6214, 6453, 6876, 7020, 7170, 7449, 8595, 8604, 9321, 9932, 10314, 10755, 11460, 12415, 12428, 12906, 14340, 14898, 15535, 17190, 18642, 20628, 21510, 22347, 24830, 25785, 25812, 27963, 29796, 31070, 32265, 34380, 37245, 37284, 43020, 44694, 45649, 46605, 49660, 51570, 55926, 62140, 64530, 67041, 74490, 83889, 89388, 91298, 93210, 103140, 111735, 111852, 129060, 134082, 136947, 139815, 148980, 167778, 182596, 186420, 223470, 228245, 268164, 273894, 279630, 335205, 335556, 410841, 419445, 446940, 456490, 547788, 559260, 593437, 670410, 684735, 821682, 838890, 912980, 1186874, 1232523, 1340820, 1369470, 1643364, 1677780, 1780311, 2054205, 2373748, 2465046, 2738940, 2967185, 3560622, 4108410, 4930092, 5340933, 5934370, 6162615, 7121244, 8216820, 8901555, 10681866, 11868740, 12325230, 16022799, 17803110, 21363732, 24650460, 26704665, 32045598, 35606220, 53409330, 64091196, 80113995, 106818660, 160227990, 320455980]

約数ペア:

[(1, 320455980), (2, 160227990), (3, 106818660), (4, 80113995), (5, 64091196), (6, 53409330), (9, 35606220), (10, 32045598), (12, 26704665), (13, 24650460), (15, 21363732), (18, 17803110), (20, 16022799), (26, 12325230), (27, 11868740), (30, 10681866), (36, 8901555), (39, 8216820), (45, 7121244), (52, 6162615), (54, 5934370), (60, 5340933), (65, 4930092), (78, 4108410), (90, 3560622), (108, 2967185), (117, 2738940), (130, 2465046), (135, 2373748), (156, 2054205), (180, 1780311), (191, 1677780), (195, 1643364), (234, 1369470), (239, 1340820), (260, 1232523), (270, 1186874), (351, 912980), (382, 838890), (390, 821682), (468, 684735), (478, 670410), (540, 593437), (573, 559260), (585, 547788), (702, 456490), (717, 446940), (764, 419445), (780, 410841), (955, 335556), (956, 335205), (1146, 279630), (1170, 273894), (1195, 268164), (1404, 228245), (1434, 223470), (1719, 186420), (1755, 182596), (1910, 167778), (2151, 148980), (2292, 139815), (2340, 136947), (2390, 134082), (2483, 129060), (2865, 111852), (2868, 111735), (3107, 103140), (3438, 93210), (3510, 91298), (3585, 89388), (3820, 83889), (4302, 74490), (4780, 67041), (4966, 64530), (5157, 62140), (5730, 55926), (6214, 51570), (6453, 49660), (6876, 46605), (7020, 45649), (7170, 44694), (7449, 43020), (8595, 37284), (8604, 37245), (9321, 34380), (9932, 32265), (10314, 31070), (10755, 29796), (11460, 27963), (12415, 25812), (12428, 25785), (12906, 24830), (14340, 22347), (14898, 21510), (15535, 20628), (17190, 18642)]