321657840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3359}}^1$

素因数の和:3404

約数の個数: 240

約数和(自身を含む): 1299916800

約数和(自身を除く): 978258960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2394, 2520, 2660, 2736, 3192, 3359, 3420, 3990, 4560, 4788, 5040, 5320, 5985, 6384, 6718, 6840, 7980, 9576, 10077, 10640, 11970, 13436, 13680, 15960, 16795, 19152, 20154, 23513, 23940, 26872, 30231, 31920, 33590, 40308, 47026, 47880, 50385, 53744, 60462, 63821, 67180, 70539, 80616, 94052, 95760, 100770, 117565, 120924, 127642, 134360, 141078, 151155, 161232, 188104, 191463, 201540, 211617, 235130, 241848, 255284, 268720, 282156, 302310, 319105, 352695, 376208, 382926, 403080, 423234, 446747, 470260, 483696, 510568, 564312, 574389, 604620, 638210, 705390, 765852, 806160, 846468, 893494, 940520, 957315, 1021136, 1058085, 1128624, 1148778, 1209240, 1276420, 1340241, 1410780, 1531704, 1692936, 1786988, 1881040, 1914630, 2116170, 2233735, 2297556, 2418480, 2552840, 2680482, 2821560, 2871945, 3063408, 3385872, 3573976, 3829260, 4020723, 4232340, 4467470, 4595112, 5105680, 5360964, 5643120, 5743890, 6701205, 7147952, 7658520, 8041446, 8464680, 8934940, 9190224, 10721928, 11487780, 13402410, 15317040, 16082892, 16929360, 17869880, 20103615, 21443856, 22975560, 26804820, 32165784, 35739760, 40207230, 45951120, 53609640, 64331568, 80414460, 107219280, 160828920, 321657840]

約数ペア:

[(1, 321657840), (2, 160828920), (3, 107219280), (4, 80414460), (5, 64331568), (6, 53609640), (7, 45951120), (8, 40207230), (9, 35739760), (10, 32165784), (12, 26804820), (14, 22975560), (15, 21443856), (16, 20103615), (18, 17869880), (19, 16929360), (20, 16082892), (21, 15317040), (24, 13402410), (28, 11487780), (30, 10721928), (35, 9190224), (36, 8934940), (38, 8464680), (40, 8041446), (42, 7658520), (45, 7147952), (48, 6701205), (56, 5743890), (57, 5643120), (60, 5360964), (63, 5105680), (70, 4595112), (72, 4467470), (76, 4232340), (80, 4020723), (84, 3829260), (90, 3573976), (95, 3385872), (105, 3063408), (112, 2871945), (114, 2821560), (120, 2680482), (126, 2552840), (133, 2418480), (140, 2297556), (144, 2233735), (152, 2116170), (168, 1914630), (171, 1881040), (180, 1786988), (190, 1692936), (210, 1531704), (228, 1410780), (240, 1340241), (252, 1276420), (266, 1209240), (280, 1148778), (285, 1128624), (304, 1058085), (315, 1021136), (336, 957315), (342, 940520), (360, 893494), (380, 846468), (399, 806160), (420, 765852), (456, 705390), (504, 638210), (532, 604620), (560, 574389), (570, 564312), (630, 510568), (665, 483696), (684, 470260), (720, 446747), (760, 423234), (798, 403080), (840, 382926), (855, 376208), (912, 352695), (1008, 319105), (1064, 302310), (1140, 282156), (1197, 268720), (1260, 255284), (1330, 241848), (1368, 235130), (1520, 211617), (1596, 201540), (1680, 191463), (1710, 188104), (1995, 161232), (2128, 151155), (2280, 141078), (2394, 134360), (2520, 127642), (2660, 120924), (2736, 117565), (3192, 100770), (3359, 95760), (3420, 94052), (3990, 80616), (4560, 70539), (4788, 67180), (5040, 63821), (5320, 60462), (5985, 53744), (6384, 50385), (6718, 47880), (6840, 47026), (7980, 40308), (9576, 33590), (10077, 31920), (10640, 30231), (11970, 26872), (13436, 23940), (13680, 23513), (15960, 20154), (16795, 19152)]