51318540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{241}}^1$

素因数の和:289

約数の個数: 216

約数和(自身を含む): 193441248

約数和(自身を除く): 142122708

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 169, 180, 182, 195, 210, 234, 241, 252, 260, 273, 315, 338, 364, 390, 420, 455, 468, 482, 507, 546, 585, 630, 676, 723, 780, 819, 845, 910, 964, 1014, 1092, 1170, 1183, 1205, 1260, 1365, 1446, 1521, 1638, 1687, 1690, 1820, 2028, 2169, 2340, 2366, 2410, 2535, 2730, 2892, 3042, 3133, 3276, 3374, 3380, 3549, 3615, 4095, 4338, 4732, 4820, 5061, 5070, 5460, 5915, 6084, 6266, 6748, 7098, 7230, 7605, 8190, 8435, 8676, 9399, 10122, 10140, 10647, 10845, 11830, 12532, 14196, 14460, 15183, 15210, 15665, 16380, 16870, 17745, 18798, 20244, 21294, 21690, 21931, 23660, 25305, 28197, 30366, 30420, 31330, 33740, 35490, 37596, 40729, 42588, 43380, 43862, 46995, 50610, 53235, 56394, 60732, 62660, 65793, 70980, 75915, 81458, 87724, 93990, 101220, 106470, 109655, 112788, 122187, 131586, 140985, 151830, 162916, 187980, 197379, 203645, 212940, 219310, 244374, 263172, 281970, 285103, 303660, 328965, 366561, 394758, 407290, 438620, 488748, 563940, 570206, 610935, 657930, 733122, 789516, 814580, 855309, 986895, 1140412, 1221870, 1315860, 1425515, 1466244, 1710618, 1832805, 1973790, 2443740, 2565927, 2851030, 3421236, 3665610, 3947580, 4276545, 5131854, 5702060, 7331220, 8553090, 10263708, 12829635, 17106180, 25659270, 51318540]

約数ペア:

[(1, 51318540), (2, 25659270), (3, 17106180), (4, 12829635), (5, 10263708), (6, 8553090), (7, 7331220), (9, 5702060), (10, 5131854), (12, 4276545), (13, 3947580), (14, 3665610), (15, 3421236), (18, 2851030), (20, 2565927), (21, 2443740), (26, 1973790), (28, 1832805), (30, 1710618), (35, 1466244), (36, 1425515), (39, 1315860), (42, 1221870), (45, 1140412), (52, 986895), (60, 855309), (63, 814580), (65, 789516), (70, 733122), (78, 657930), (84, 610935), (90, 570206), (91, 563940), (105, 488748), (117, 438620), (126, 407290), (130, 394758), (140, 366561), (156, 328965), (169, 303660), (180, 285103), (182, 281970), (195, 263172), (210, 244374), (234, 219310), (241, 212940), (252, 203645), (260, 197379), (273, 187980), (315, 162916), (338, 151830), (364, 140985), (390, 131586), (420, 122187), (455, 112788), (468, 109655), (482, 106470), (507, 101220), (546, 93990), (585, 87724), (630, 81458), (676, 75915), (723, 70980), (780, 65793), (819, 62660), (845, 60732), (910, 56394), (964, 53235), (1014, 50610), (1092, 46995), (1170, 43862), (1183, 43380), (1205, 42588), (1260, 40729), (1365, 37596), (1446, 35490), (1521, 33740), (1638, 31330), (1687, 30420), (1690, 30366), (1820, 28197), (2028, 25305), (2169, 23660), (2340, 21931), (2366, 21690), (2410, 21294), (2535, 20244), (2730, 18798), (2892, 17745), (3042, 16870), (3133, 16380), (3276, 15665), (3374, 15210), (3380, 15183), (3549, 14460), (3615, 14196), (4095, 12532), (4338, 11830), (4732, 10845), (4820, 10647), (5061, 10140), (5070, 10122), (5460, 9399), (5915, 8676), (6084, 8435), (6266, 8190), (6748, 7605), (7098, 7230)]