491621040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:312

約数の個数: 240

約数和(自身を含む): 1713104640

約数和(自身を除く): 1221483600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 71, 72, 80, 90, 118, 120, 142, 144, 163, 177, 180, 213, 236, 240, 284, 295, 326, 354, 355, 360, 426, 472, 489, 531, 568, 590, 639, 652, 708, 710, 720, 815, 852, 885, 944, 978, 1062, 1065, 1136, 1180, 1278, 1304, 1416, 1420, 1467, 1630, 1704, 1770, 1956, 2124, 2130, 2360, 2445, 2556, 2608, 2655, 2832, 2840, 2934, 3195, 3260, 3408, 3540, 3912, 4189, 4248, 4260, 4720, 4890, 5112, 5310, 5680, 5868, 6390, 6520, 7080, 7335, 7824, 8378, 8496, 8520, 9617, 9780, 10224, 10620, 11573, 11736, 12567, 12780, 13040, 14160, 14670, 16756, 17040, 19234, 19560, 20945, 21240, 23146, 23472, 25134, 25560, 28851, 29340, 33512, 34719, 37701, 38468, 39120, 41890, 42480, 46292, 48085, 50268, 51120, 57702, 57865, 58680, 62835, 67024, 69438, 75402, 76936, 83780, 86553, 92584, 96170, 100536, 104157, 115404, 115730, 117360, 125670, 138876, 144255, 150804, 153872, 167560, 173106, 173595, 185168, 188505, 192340, 201072, 208314, 230808, 231460, 251340, 277752, 288510, 301608, 335120, 346212, 347190, 377010, 384680, 416628, 432765, 461616, 462920, 502680, 520785, 555504, 577020, 603216, 682807, 692424, 694380, 754020, 769360, 833256, 865530, 925840, 1005360, 1041570, 1154040, 1365614, 1384848, 1388760, 1508040, 1666512, 1731060, 2048421, 2083140, 2308080, 2731228, 2777520, 3016080, 3414035, 3462120, 4096842, 4166280, 5462456, 6145263, 6828070, 6924240, 8193684, 8332560, 10242105, 10924912, 12290526, 13656140, 16387368, 20484210, 24581052, 27312280, 30726315, 32774736, 40968420, 49162104, 54624560, 61452630, 81936840, 98324208, 122905260, 163873680, 245810520, 491621040]

約数ペア:

[(1, 491621040), (2, 245810520), (3, 163873680), (4, 122905260), (5, 98324208), (6, 81936840), (8, 61452630), (9, 54624560), (10, 49162104), (12, 40968420), (15, 32774736), (16, 30726315), (18, 27312280), (20, 24581052), (24, 20484210), (30, 16387368), (36, 13656140), (40, 12290526), (45, 10924912), (48, 10242105), (59, 8332560), (60, 8193684), (71, 6924240), (72, 6828070), (80, 6145263), (90, 5462456), (118, 4166280), (120, 4096842), (142, 3462120), (144, 3414035), (163, 3016080), (177, 2777520), (180, 2731228), (213, 2308080), (236, 2083140), (240, 2048421), (284, 1731060), (295, 1666512), (326, 1508040), (354, 1388760), (355, 1384848), (360, 1365614), (426, 1154040), (472, 1041570), (489, 1005360), (531, 925840), (568, 865530), (590, 833256), (639, 769360), (652, 754020), (708, 694380), (710, 692424), (720, 682807), (815, 603216), (852, 577020), (885, 555504), (944, 520785), (978, 502680), (1062, 462920), (1065, 461616), (1136, 432765), (1180, 416628), (1278, 384680), (1304, 377010), (1416, 347190), (1420, 346212), (1467, 335120), (1630, 301608), (1704, 288510), (1770, 277752), (1956, 251340), (2124, 231460), (2130, 230808), (2360, 208314), (2445, 201072), (2556, 192340), (2608, 188505), (2655, 185168), (2832, 173595), (2840, 173106), (2934, 167560), (3195, 153872), (3260, 150804), (3408, 144255), (3540, 138876), (3912, 125670), (4189, 117360), (4248, 115730), (4260, 115404), (4720, 104157), (4890, 100536), (5112, 96170), (5310, 92584), (5680, 86553), (5868, 83780), (6390, 76936), (6520, 75402), (7080, 69438), (7335, 67024), (7824, 62835), (8378, 58680), (8496, 57865), (8520, 57702), (9617, 51120), (9780, 50268), (10224, 48085), (10620, 46292), (11573, 42480), (11736, 41890), (12567, 39120), (12780, 38468), (13040, 37701), (14160, 34719), (14670, 33512), (16756, 29340), (17040, 28851), (19234, 25560), (19560, 25134), (20945, 23472), (21240, 23146)]