218678460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:385

約数の個数: 288

約数和(自身を含む): 830839296

約数和(自身を除く): 612160836

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 52, 55, 60, 65, 66, 70, 77, 78, 84, 91, 105, 110, 121, 130, 132, 140, 143, 154, 156, 165, 182, 195, 210, 220, 231, 242, 260, 273, 286, 308, 330, 331, 363, 364, 385, 390, 420, 429, 455, 462, 484, 546, 572, 605, 660, 662, 715, 726, 770, 780, 847, 858, 910, 924, 993, 1001, 1092, 1155, 1210, 1324, 1365, 1430, 1452, 1540, 1573, 1655, 1694, 1716, 1815, 1820, 1986, 2002, 2145, 2310, 2317, 2420, 2541, 2730, 2860, 3003, 3146, 3310, 3388, 3630, 3641, 3972, 4004, 4235, 4290, 4303, 4620, 4634, 4719, 4965, 5005, 5082, 5460, 6006, 6292, 6620, 6951, 7260, 7282, 7865, 8470, 8580, 8606, 9268, 9438, 9930, 10010, 10164, 10923, 11011, 11585, 12012, 12705, 12909, 13902, 14564, 15015, 15730, 16940, 17212, 18205, 18876, 19860, 20020, 21515, 21846, 22022, 23170, 23595, 25410, 25487, 25818, 27804, 30030, 30121, 31460, 33033, 34755, 36410, 40051, 43030, 43692, 44044, 46340, 47190, 47333, 50820, 50974, 51636, 54615, 55055, 60060, 60242, 64545, 66066, 69510, 72820, 76461, 80102, 86060, 90363, 94380, 94666, 101948, 109230, 110110, 120153, 120484, 127435, 129090, 132132, 139020, 141999, 150605, 152922, 160204, 165165, 180726, 189332, 200255, 218460, 220220, 236665, 240306, 254870, 258180, 280357, 283998, 301210, 305844, 330330, 331331, 361452, 382305, 400510, 451815, 473330, 480612, 509740, 520663, 560714, 567996, 600765, 602420, 660660, 662662, 709995, 764610, 801020, 841071, 903630, 946660, 993993, 1041326, 1121428, 1201530, 1325324, 1401785, 1419990, 1529220, 1561989, 1656655, 1682142, 1807260, 1987986, 2082652, 2403060, 2603315, 2803570, 2839980, 3123978, 3313310, 3364284, 3644641, 3975972, 4205355, 4969965, 5206630, 5607140, 6247956, 6626620, 7289282, 7809945, 8410710, 9939930, 10413260, 10933923, 14578564, 15619890, 16821420, 18223205, 19879860, 21867846, 31239780, 36446410, 43735692, 54669615, 72892820, 109339230, 218678460]

約数ペア:

[(1, 218678460), (2, 109339230), (3, 72892820), (4, 54669615), (5, 43735692), (6, 36446410), (7, 31239780), (10, 21867846), (11, 19879860), (12, 18223205), (13, 16821420), (14, 15619890), (15, 14578564), (20, 10933923), (21, 10413260), (22, 9939930), (26, 8410710), (28, 7809945), (30, 7289282), (33, 6626620), (35, 6247956), (39, 5607140), (42, 5206630), (44, 4969965), (52, 4205355), (55, 3975972), (60, 3644641), (65, 3364284), (66, 3313310), (70, 3123978), (77, 2839980), (78, 2803570), (84, 2603315), (91, 2403060), (105, 2082652), (110, 1987986), (121, 1807260), (130, 1682142), (132, 1656655), (140, 1561989), (143, 1529220), (154, 1419990), (156, 1401785), (165, 1325324), (182, 1201530), (195, 1121428), (210, 1041326), (220, 993993), (231, 946660), (242, 903630), (260, 841071), (273, 801020), (286, 764610), (308, 709995), (330, 662662), (331, 660660), (363, 602420), (364, 600765), (385, 567996), (390, 560714), (420, 520663), (429, 509740), (455, 480612), (462, 473330), (484, 451815), (546, 400510), (572, 382305), (605, 361452), (660, 331331), (662, 330330), (715, 305844), (726, 301210), (770, 283998), (780, 280357), (847, 258180), (858, 254870), (910, 240306), (924, 236665), (993, 220220), (1001, 218460), (1092, 200255), (1155, 189332), (1210, 180726), (1324, 165165), (1365, 160204), (1430, 152922), (1452, 150605), (1540, 141999), (1573, 139020), (1655, 132132), (1694, 129090), (1716, 127435), (1815, 120484), (1820, 120153), (1986, 110110), (2002, 109230), (2145, 101948), (2310, 94666), (2317, 94380), (2420, 90363), (2541, 86060), (2730, 80102), (2860, 76461), (3003, 72820), (3146, 69510), (3310, 66066), (3388, 64545), (3630, 60242), (3641, 60060), (3972, 55055), (4004, 54615), (4235, 51636), (4290, 50974), (4303, 50820), (4620, 47333), (4634, 47190), (4719, 46340), (4965, 44044), (5005, 43692), (5082, 43030), (5460, 40051), (6006, 36410), (6292, 34755), (6620, 33033), (6951, 31460), (7260, 30121), (7282, 30030), (7865, 27804), (8470, 25818), (8580, 25487), (8606, 25410), (9268, 23595), (9438, 23170), (9930, 22022), (10010, 21846), (10164, 21515), (10923, 20020), (11011, 19860), (11585, 18876), (12012, 18205), (12705, 17212), (12909, 16940), (13902, 15730), (14564, 15015)]