721612476

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 240

約数和(自身を含む): 2185666560

約数和(自身を除く): 1464054084

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 71, 76, 78, 81, 108, 114, 117, 127, 142, 156, 162, 171, 213, 228, 234, 247, 254, 284, 324, 342, 351, 381, 426, 468, 494, 508, 513, 639, 684, 702, 741, 762, 852, 923, 988, 1026, 1053, 1143, 1278, 1349, 1404, 1482, 1524, 1539, 1651, 1846, 1917, 2052, 2106, 2223, 2286, 2413, 2556, 2698, 2769, 2964, 3078, 3302, 3429, 3692, 3834, 4047, 4212, 4446, 4572, 4826, 4953, 5396, 5538, 5751, 6156, 6604, 6669, 6858, 7239, 7668, 8094, 8307, 8892, 9017, 9652, 9906, 10287, 11076, 11502, 12141, 13338, 13716, 14478, 14859, 16188, 16614, 17537, 18034, 19812, 20007, 20574, 21717, 23004, 24282, 24921, 26676, 27051, 28956, 29718, 31369, 33228, 35074, 36068, 36423, 40014, 41148, 43434, 44577, 48564, 49842, 52611, 54102, 59436, 62738, 65151, 70148, 72846, 74763, 80028, 81153, 86868, 89154, 94107, 99684, 105222, 108204, 109269, 117221, 125476, 130302, 133731, 145692, 149526, 157833, 162306, 171323, 178308, 188214, 195453, 210444, 218538, 234442, 243459, 260604, 267462, 282321, 299052, 315666, 324612, 342646, 351663, 376428, 390906, 437076, 468884, 473499, 486918, 513969, 534924, 564642, 631332, 685292, 703326, 730377, 781812, 846963, 946998, 973836, 1027938, 1054989, 1129284, 1406652, 1420497, 1460754, 1541907, 1693926, 1893996, 2055876, 2109978, 2227199, 2540889, 2840994, 2921508, 3083814, 3164967, 3387852, 4219956, 4454398, 4625721, 5081778, 5681988, 6167628, 6329934, 6681597, 8908796, 9251442, 9494901, 10163556, 12659868, 13363194, 13877163, 18502884, 18989802, 20044791, 26726388, 27754326, 37979604, 40089582, 55508652, 60134373, 80179164, 120268746, 180403119, 240537492, 360806238, 721612476]

約数ペア:

[(1, 721612476), (2, 360806238), (3, 240537492), (4, 180403119), (6, 120268746), (9, 80179164), (12, 60134373), (13, 55508652), (18, 40089582), (19, 37979604), (26, 27754326), (27, 26726388), (36, 20044791), (38, 18989802), (39, 18502884), (52, 13877163), (54, 13363194), (57, 12659868), (71, 10163556), (76, 9494901), (78, 9251442), (81, 8908796), (108, 6681597), (114, 6329934), (117, 6167628), (127, 5681988), (142, 5081778), (156, 4625721), (162, 4454398), (171, 4219956), (213, 3387852), (228, 3164967), (234, 3083814), (247, 2921508), (254, 2840994), (284, 2540889), (324, 2227199), (342, 2109978), (351, 2055876), (381, 1893996), (426, 1693926), (468, 1541907), (494, 1460754), (508, 1420497), (513, 1406652), (639, 1129284), (684, 1054989), (702, 1027938), (741, 973836), (762, 946998), (852, 846963), (923, 781812), (988, 730377), (1026, 703326), (1053, 685292), (1143, 631332), (1278, 564642), (1349, 534924), (1404, 513969), (1482, 486918), (1524, 473499), (1539, 468884), (1651, 437076), (1846, 390906), (1917, 376428), (2052, 351663), (2106, 342646), (2223, 324612), (2286, 315666), (2413, 299052), (2556, 282321), (2698, 267462), (2769, 260604), (2964, 243459), (3078, 234442), (3302, 218538), (3429, 210444), (3692, 195453), (3834, 188214), (4047, 178308), (4212, 171323), (4446, 162306), (4572, 157833), (4826, 149526), (4953, 145692), (5396, 133731), (5538, 130302), (5751, 125476), (6156, 117221), (6604, 109269), (6669, 108204), (6858, 105222), (7239, 99684), (7668, 94107), (8094, 89154), (8307, 86868), (8892, 81153), (9017, 80028), (9652, 74763), (9906, 72846), (10287, 70148), (11076, 65151), (11502, 62738), (12141, 59436), (13338, 54102), (13716, 52611), (14478, 49842), (14859, 48564), (16188, 44577), (16614, 43434), (17537, 41148), (18034, 40014), (19812, 36423), (20007, 36068), (20574, 35074), (21717, 33228), (23004, 31369), (24282, 29718), (24921, 28956), (26676, 27051)]