489716640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2604

約数の個数: 288

約数和(自身を含む): 2011201920

約数和(自身を除く): 1521485280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 133, 140, 144, 152, 160, 168, 171, 180, 190, 210, 224, 228, 240, 252, 266, 280, 285, 288, 304, 315, 336, 342, 360, 380, 399, 420, 456, 480, 504, 532, 560, 570, 608, 630, 665, 672, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1120, 1140, 1197, 1260, 1330, 1368, 1440, 1520, 1596, 1680, 1710, 1824, 1995, 2016, 2128, 2280, 2394, 2520, 2557, 2660, 2736, 3040, 3192, 3360, 3420, 3990, 4256, 4560, 4788, 5040, 5114, 5320, 5472, 5985, 6384, 6840, 7671, 7980, 9120, 9576, 10080, 10228, 10640, 11970, 12768, 12785, 13680, 15342, 15960, 17899, 19152, 20456, 21280, 23013, 23940, 25570, 27360, 30684, 31920, 35798, 38304, 38355, 40912, 46026, 47880, 48583, 51140, 53697, 61368, 63840, 71596, 76710, 81824, 89495, 92052, 95760, 97166, 102280, 107394, 115065, 122736, 143192, 145749, 153420, 161091, 178990, 184104, 191520, 194332, 204560, 214788, 230130, 242915, 245472, 268485, 286384, 291498, 306840, 322182, 340081, 357980, 368208, 388664, 409120, 429576, 437247, 460260, 485830, 536970, 572768, 582996, 613680, 644364, 680162, 715960, 728745, 736416, 777328, 805455, 859152, 874494, 920520, 971660, 1020243, 1073940, 1165992, 1227360, 1288728, 1360324, 1431920, 1457490, 1554656, 1610910, 1700405, 1718304, 1748988, 1841040, 1943320, 2040486, 2147880, 2186235, 2331984, 2577456, 2720648, 2863840, 2914980, 3060729, 3221820, 3400810, 3497976, 3682080, 3886640, 4080972, 4295760, 4372470, 4663968, 5101215, 5154912, 5441296, 5829960, 6121458, 6443640, 6801620, 6995952, 7773280, 8161944, 8591520, 8744940, 10202430, 10882592, 11659920, 12242916, 12887280, 13603240, 13991904, 15303645, 16323888, 17489880, 20404860, 23319840, 24485832, 25774560, 27206480, 30607290, 32647776, 34979760, 40809720, 48971664, 54412960, 61214580, 69959520, 81619440, 97943328, 122429160, 163238880, 244858320, 489716640]

約数ペア:

[(1, 489716640), (2, 244858320), (3, 163238880), (4, 122429160), (5, 97943328), (6, 81619440), (7, 69959520), (8, 61214580), (9, 54412960), (10, 48971664), (12, 40809720), (14, 34979760), (15, 32647776), (16, 30607290), (18, 27206480), (19, 25774560), (20, 24485832), (21, 23319840), (24, 20404860), (28, 17489880), (30, 16323888), (32, 15303645), (35, 13991904), (36, 13603240), (38, 12887280), (40, 12242916), (42, 11659920), (45, 10882592), (48, 10202430), (56, 8744940), (57, 8591520), (60, 8161944), (63, 7773280), (70, 6995952), (72, 6801620), (76, 6443640), (80, 6121458), (84, 5829960), (90, 5441296), (95, 5154912), (96, 5101215), (105, 4663968), (112, 4372470), (114, 4295760), (120, 4080972), (126, 3886640), (133, 3682080), (140, 3497976), (144, 3400810), (152, 3221820), (160, 3060729), (168, 2914980), (171, 2863840), (180, 2720648), (190, 2577456), (210, 2331984), (224, 2186235), (228, 2147880), (240, 2040486), (252, 1943320), (266, 1841040), (280, 1748988), (285, 1718304), (288, 1700405), (304, 1610910), (315, 1554656), (336, 1457490), (342, 1431920), (360, 1360324), (380, 1288728), (399, 1227360), (420, 1165992), (456, 1073940), (480, 1020243), (504, 971660), (532, 920520), (560, 874494), (570, 859152), (608, 805455), (630, 777328), (665, 736416), (672, 728745), (684, 715960), (720, 680162), (760, 644364), (798, 613680), (840, 582996), (855, 572768), (912, 536970), (1008, 485830), (1064, 460260), (1120, 437247), (1140, 429576), (1197, 409120), (1260, 388664), (1330, 368208), (1368, 357980), (1440, 340081), (1520, 322182), (1596, 306840), (1680, 291498), (1710, 286384), (1824, 268485), (1995, 245472), (2016, 242915), (2128, 230130), (2280, 214788), (2394, 204560), (2520, 194332), (2557, 191520), (2660, 184104), (2736, 178990), (3040, 161091), (3192, 153420), (3360, 145749), (3420, 143192), (3990, 122736), (4256, 115065), (4560, 107394), (4788, 102280), (5040, 97166), (5114, 95760), (5320, 92052), (5472, 89495), (5985, 81824), (6384, 76710), (6840, 71596), (7671, 63840), (7980, 61368), (9120, 53697), (9576, 51140), (10080, 48583), (10228, 47880), (10640, 46026), (11970, 40912), (12768, 38355), (12785, 38304), (13680, 35798), (15342, 31920), (15960, 30684), (17899, 27360), (19152, 25570), (20456, 23940), (21280, 23013)]