321215580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:569

約数の個数: 216

約数和(自身を含む): 1150269120

約数和(自身を除く): 829053540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 79, 84, 90, 98, 105, 126, 140, 147, 158, 180, 196, 210, 237, 245, 252, 294, 315, 316, 395, 420, 441, 461, 474, 490, 553, 588, 630, 711, 735, 790, 882, 922, 948, 980, 1106, 1185, 1260, 1383, 1422, 1470, 1580, 1659, 1764, 1844, 2205, 2212, 2305, 2370, 2765, 2766, 2844, 2940, 3227, 3318, 3555, 3871, 4149, 4410, 4610, 4740, 4977, 5530, 5532, 6454, 6636, 6915, 7110, 7742, 8295, 8298, 8820, 9220, 9681, 9954, 11060, 11613, 12908, 13830, 14220, 15484, 16135, 16590, 16596, 19355, 19362, 19908, 20745, 22589, 23226, 24885, 27660, 29043, 32270, 33180, 34839, 36419, 38710, 38724, 41490, 45178, 46452, 48405, 49770, 58065, 58086, 64540, 67767, 69678, 72838, 77420, 82980, 90356, 96810, 99540, 109257, 112945, 116130, 116172, 135534, 139356, 145215, 145676, 174195, 182095, 193620, 203301, 218514, 225890, 232260, 254933, 271068, 290430, 327771, 338835, 348390, 364190, 406602, 437028, 451780, 509866, 546285, 580860, 655542, 677670, 696780, 728380, 764799, 813204, 1016505, 1019732, 1092570, 1274665, 1311084, 1355340, 1529598, 1638855, 1784531, 2033010, 2185140, 2294397, 2549330, 3059196, 3277710, 3569062, 3823995, 4066020, 4588794, 5098660, 5353593, 6555420, 7138124, 7647990, 8922655, 9177588, 10707186, 11471985, 15295980, 16060779, 17845310, 21414372, 22943970, 26767965, 32121558, 35690620, 45887940, 53535930, 64243116, 80303895, 107071860, 160607790, 321215580]

約数ペア:

[(1, 321215580), (2, 160607790), (3, 107071860), (4, 80303895), (5, 64243116), (6, 53535930), (7, 45887940), (9, 35690620), (10, 32121558), (12, 26767965), (14, 22943970), (15, 21414372), (18, 17845310), (20, 16060779), (21, 15295980), (28, 11471985), (30, 10707186), (35, 9177588), (36, 8922655), (42, 7647990), (45, 7138124), (49, 6555420), (60, 5353593), (63, 5098660), (70, 4588794), (79, 4066020), (84, 3823995), (90, 3569062), (98, 3277710), (105, 3059196), (126, 2549330), (140, 2294397), (147, 2185140), (158, 2033010), (180, 1784531), (196, 1638855), (210, 1529598), (237, 1355340), (245, 1311084), (252, 1274665), (294, 1092570), (315, 1019732), (316, 1016505), (395, 813204), (420, 764799), (441, 728380), (461, 696780), (474, 677670), (490, 655542), (553, 580860), (588, 546285), (630, 509866), (711, 451780), (735, 437028), (790, 406602), (882, 364190), (922, 348390), (948, 338835), (980, 327771), (1106, 290430), (1185, 271068), (1260, 254933), (1383, 232260), (1422, 225890), (1470, 218514), (1580, 203301), (1659, 193620), (1764, 182095), (1844, 174195), (2205, 145676), (2212, 145215), (2305, 139356), (2370, 135534), (2765, 116172), (2766, 116130), (2844, 112945), (2940, 109257), (3227, 99540), (3318, 96810), (3555, 90356), (3871, 82980), (4149, 77420), (4410, 72838), (4610, 69678), (4740, 67767), (4977, 64540), (5530, 58086), (5532, 58065), (6454, 49770), (6636, 48405), (6915, 46452), (7110, 45178), (7742, 41490), (8295, 38724), (8298, 38710), (8820, 36419), (9220, 34839), (9681, 33180), (9954, 32270), (11060, 29043), (11613, 27660), (12908, 24885), (13830, 23226), (14220, 22589), (15484, 20745), (16135, 19908), (16590, 19362), (16596, 19355)]