642431160

素因数分解:

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

素因数の和:571

約数の個数: 288

約数和(自身を含む): 2464862400

約数和(自身を除く): 1822431240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 79, 84, 90, 98, 105, 120, 126, 140, 147, 158, 168, 180, 196, 210, 237, 245, 252, 280, 294, 315, 316, 360, 392, 395, 420, 441, 461, 474, 490, 504, 553, 588, 630, 632, 711, 735, 790, 840, 882, 922, 948, 980, 1106, 1176, 1185, 1260, 1383, 1422, 1470, 1580, 1659, 1764, 1844, 1896, 1960, 2205, 2212, 2305, 2370, 2520, 2765, 2766, 2844, 2940, 3160, 3227, 3318, 3528, 3555, 3688, 3871, 4149, 4410, 4424, 4610, 4740, 4977, 5530, 5532, 5688, 5880, 6454, 6636, 6915, 7110, 7742, 8295, 8298, 8820, 9220, 9480, 9681, 9954, 11060, 11064, 11613, 12908, 13272, 13830, 14220, 15484, 16135, 16590, 16596, 17640, 18440, 19355, 19362, 19908, 20745, 22120, 22589, 23226, 24885, 25816, 27660, 28440, 29043, 30968, 32270, 33180, 33192, 34839, 36419, 38710, 38724, 39816, 41490, 45178, 46452, 48405, 49770, 55320, 58065, 58086, 64540, 66360, 67767, 69678, 72838, 77420, 77448, 82980, 90356, 92904, 96810, 99540, 109257, 112945, 116130, 116172, 129080, 135534, 139356, 145215, 145676, 154840, 165960, 174195, 180712, 182095, 193620, 199080, 203301, 218514, 225890, 232260, 232344, 254933, 271068, 278712, 290430, 291352, 327771, 338835, 348390, 364190, 387240, 406602, 437028, 451780, 464520, 509866, 542136, 546285, 580860, 655542, 677670, 696780, 728380, 764799, 813204, 874056, 903560, 1016505, 1019732, 1092570, 1161720, 1274665, 1311084, 1355340, 1393560, 1456760, 1529598, 1626408, 1638855, 1784531, 2033010, 2039464, 2185140, 2294397, 2549330, 2622168, 2710680, 3059196, 3277710, 3569062, 3823995, 4066020, 4370280, 4588794, 5098660, 5353593, 6118392, 6555420, 7138124, 7647990, 8132040, 8922655, 9177588, 10197320, 10707186, 11471985, 13110840, 14276248, 15295980, 16060779, 17845310, 18355176, 21414372, 22943970, 26767965, 30591960, 32121558, 35690620, 42828744, 45887940, 53535930, 64243116, 71381240, 80303895, 91775880, 107071860, 128486232, 160607790, 214143720, 321215580, 642431160]

約数ペア:

[(1, 642431160), (2, 321215580), (3, 214143720), (4, 160607790), (5, 128486232), (6, 107071860), (7, 91775880), (8, 80303895), (9, 71381240), (10, 64243116), (12, 53535930), (14, 45887940), (15, 42828744), (18, 35690620), (20, 32121558), (21, 30591960), (24, 26767965), (28, 22943970), (30, 21414372), (35, 18355176), (36, 17845310), (40, 16060779), (42, 15295980), (45, 14276248), (49, 13110840), (56, 11471985), (60, 10707186), (63, 10197320), (70, 9177588), (72, 8922655), (79, 8132040), (84, 7647990), (90, 7138124), (98, 6555420), (105, 6118392), (120, 5353593), (126, 5098660), (140, 4588794), (147, 4370280), (158, 4066020), (168, 3823995), (180, 3569062), (196, 3277710), (210, 3059196), (237, 2710680), (245, 2622168), (252, 2549330), (280, 2294397), (294, 2185140), (315, 2039464), (316, 2033010), (360, 1784531), (392, 1638855), (395, 1626408), (420, 1529598), (441, 1456760), (461, 1393560), (474, 1355340), (490, 1311084), (504, 1274665), (553, 1161720), (588, 1092570), (630, 1019732), (632, 1016505), (711, 903560), (735, 874056), (790, 813204), (840, 764799), (882, 728380), (922, 696780), (948, 677670), (980, 655542), (1106, 580860), (1176, 546285), (1185, 542136), (1260, 509866), (1383, 464520), (1422, 451780), (1470, 437028), (1580, 406602), (1659, 387240), (1764, 364190), (1844, 348390), (1896, 338835), (1960, 327771), (2205, 291352), (2212, 290430), (2305, 278712), (2370, 271068), (2520, 254933), (2765, 232344), (2766, 232260), (2844, 225890), (2940, 218514), (3160, 203301), (3227, 199080), (3318, 193620), (3528, 182095), (3555, 180712), (3688, 174195), (3871, 165960), (4149, 154840), (4410, 145676), (4424, 145215), (4610, 139356), (4740, 135534), (4977, 129080), (5530, 116172), (5532, 116130), (5688, 112945), (5880, 109257), (6454, 99540), (6636, 96810), (6915, 92904), (7110, 90356), (7742, 82980), (8295, 77448), (8298, 77420), (8820, 72838), (9220, 69678), (9480, 67767), (9681, 66360), (9954, 64540), (11060, 58086), (11064, 58065), (11613, 55320), (12908, 49770), (13272, 48405), (13830, 46452), (14220, 45178), (15484, 41490), (16135, 39816), (16590, 38724), (16596, 38710), (17640, 36419), (18440, 34839), (19355, 33192), (19362, 33180), (19908, 32270), (20745, 30968), (22120, 29043), (22589, 28440), (23226, 27660), (24885, 25816)]