321951240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1053

約数の個数: 256

約数和(自身を含む): 1207180800

約数和(自身を除く): 885229560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 23, 24, 26, 27, 30, 36, 39, 40, 45, 46, 52, 54, 60, 65, 69, 72, 78, 90, 92, 104, 108, 115, 117, 120, 130, 135, 138, 156, 180, 184, 195, 207, 216, 230, 234, 260, 270, 276, 299, 312, 345, 351, 360, 390, 414, 460, 468, 520, 540, 552, 585, 598, 621, 690, 702, 780, 828, 897, 920, 936, 997, 1035, 1080, 1170, 1196, 1242, 1380, 1404, 1495, 1560, 1656, 1755, 1794, 1994, 2070, 2340, 2392, 2484, 2691, 2760, 2808, 2990, 2991, 3105, 3510, 3588, 3988, 4140, 4485, 4680, 4968, 4985, 5382, 5980, 5982, 6210, 7020, 7176, 7976, 8073, 8280, 8970, 8973, 9970, 10764, 11960, 11964, 12420, 12961, 13455, 14040, 14955, 16146, 17940, 17946, 19940, 21528, 22931, 23928, 24840, 25922, 26910, 26919, 29910, 32292, 35880, 35892, 38883, 39880, 40365, 44865, 45862, 51844, 53820, 53838, 59820, 64584, 64805, 68793, 71784, 77766, 80730, 89730, 91724, 103688, 107640, 107676, 114655, 116649, 119640, 129610, 134595, 137586, 155532, 161460, 179460, 183448, 194415, 206379, 215352, 229310, 233298, 259220, 269190, 275172, 298103, 311064, 322920, 343965, 349947, 358920, 388830, 412758, 458620, 466596, 518440, 538380, 550344, 583245, 596206, 619137, 687930, 699894, 777660, 825516, 894309, 917240, 933192, 1031895, 1076760, 1166490, 1192412, 1238274, 1375860, 1399788, 1490515, 1555320, 1651032, 1749735, 1788618, 2063790, 2332980, 2384824, 2476548, 2682927, 2751720, 2799576, 2981030, 3095685, 3499470, 3577236, 4127580, 4471545, 4665960, 4953096, 5365854, 5962060, 6191370, 6998940, 7154472, 8048781, 8255160, 8943090, 10731708, 11924120, 12382740, 13414635, 13997880, 16097562, 17886180, 21463416, 24765480, 26829270, 32195124, 35772360, 40243905, 53658540, 64390248, 80487810, 107317080, 160975620, 321951240]

約数ペア:

[(1, 321951240), (2, 160975620), (3, 107317080), (4, 80487810), (5, 64390248), (6, 53658540), (8, 40243905), (9, 35772360), (10, 32195124), (12, 26829270), (13, 24765480), (15, 21463416), (18, 17886180), (20, 16097562), (23, 13997880), (24, 13414635), (26, 12382740), (27, 11924120), (30, 10731708), (36, 8943090), (39, 8255160), (40, 8048781), (45, 7154472), (46, 6998940), (52, 6191370), (54, 5962060), (60, 5365854), (65, 4953096), (69, 4665960), (72, 4471545), (78, 4127580), (90, 3577236), (92, 3499470), (104, 3095685), (108, 2981030), (115, 2799576), (117, 2751720), (120, 2682927), (130, 2476548), (135, 2384824), (138, 2332980), (156, 2063790), (180, 1788618), (184, 1749735), (195, 1651032), (207, 1555320), (216, 1490515), (230, 1399788), (234, 1375860), (260, 1238274), (270, 1192412), (276, 1166490), (299, 1076760), (312, 1031895), (345, 933192), (351, 917240), (360, 894309), (390, 825516), (414, 777660), (460, 699894), (468, 687930), (520, 619137), (540, 596206), (552, 583245), (585, 550344), (598, 538380), (621, 518440), (690, 466596), (702, 458620), (780, 412758), (828, 388830), (897, 358920), (920, 349947), (936, 343965), (997, 322920), (1035, 311064), (1080, 298103), (1170, 275172), (1196, 269190), (1242, 259220), (1380, 233298), (1404, 229310), (1495, 215352), (1560, 206379), (1656, 194415), (1755, 183448), (1794, 179460), (1994, 161460), (2070, 155532), (2340, 137586), (2392, 134595), (2484, 129610), (2691, 119640), (2760, 116649), (2808, 114655), (2990, 107676), (2991, 107640), (3105, 103688), (3510, 91724), (3588, 89730), (3988, 80730), (4140, 77766), (4485, 71784), (4680, 68793), (4968, 64805), (4985, 64584), (5382, 59820), (5980, 53838), (5982, 53820), (6210, 51844), (7020, 45862), (7176, 44865), (7976, 40365), (8073, 39880), (8280, 38883), (8970, 35892), (8973, 35880), (9970, 32292), (10764, 29910), (11960, 26919), (11964, 26910), (12420, 25922), (12961, 24840), (13455, 23928), (14040, 22931), (14955, 21528), (16146, 19940), (17940, 17946)]