247740240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 240

約数和(自身を含む): 890568000

約数和(自身を除く): 642827760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 110, 114, 120, 121, 132, 152, 165, 176, 190, 209, 220, 228, 240, 242, 264, 285, 304, 330, 363, 380, 418, 440, 449, 456, 484, 528, 570, 605, 627, 660, 726, 760, 836, 880, 898, 912, 968, 1045, 1140, 1210, 1254, 1320, 1347, 1452, 1520, 1672, 1796, 1815, 1936, 2090, 2245, 2280, 2299, 2420, 2508, 2640, 2694, 2904, 3135, 3344, 3592, 3630, 4180, 4490, 4560, 4598, 4840, 4939, 5016, 5388, 5808, 6270, 6735, 6897, 7184, 7260, 8360, 8531, 8980, 9196, 9680, 9878, 10032, 10776, 11495, 12540, 13470, 13794, 14520, 14817, 16720, 17062, 17960, 18392, 19756, 21552, 22990, 24695, 25080, 25593, 26940, 27588, 29040, 29634, 34124, 34485, 35920, 36784, 39512, 42655, 45980, 49390, 50160, 51186, 53880, 54329, 55176, 59268, 68248, 68970, 74085, 79024, 85310, 91960, 93841, 98780, 102372, 107760, 108658, 110352, 118536, 127965, 136496, 137940, 148170, 162987, 170620, 183920, 187682, 197560, 204744, 217316, 237072, 255930, 271645, 275880, 281523, 296340, 325974, 341240, 375364, 395120, 409488, 434632, 469205, 511860, 543290, 551760, 563046, 592680, 651948, 682480, 750728, 814935, 869264, 938410, 1023720, 1032251, 1086580, 1126092, 1185360, 1303896, 1407615, 1501456, 1629870, 1876820, 2047440, 2064502, 2173160, 2252184, 2607792, 2815230, 3096753, 3259740, 3753640, 4129004, 4346320, 4504368, 5161255, 5630460, 6193506, 6519480, 7507280, 8258008, 10322510, 11260920, 12387012, 13038960, 15483765, 16516016, 20645020, 22521840, 24774024, 30967530, 41290040, 49548048, 61935060, 82580080, 123870120, 247740240]

約数ペア:

[(1, 247740240), (2, 123870120), (3, 82580080), (4, 61935060), (5, 49548048), (6, 41290040), (8, 30967530), (10, 24774024), (11, 22521840), (12, 20645020), (15, 16516016), (16, 15483765), (19, 13038960), (20, 12387012), (22, 11260920), (24, 10322510), (30, 8258008), (33, 7507280), (38, 6519480), (40, 6193506), (44, 5630460), (48, 5161255), (55, 4504368), (57, 4346320), (60, 4129004), (66, 3753640), (76, 3259740), (80, 3096753), (88, 2815230), (95, 2607792), (110, 2252184), (114, 2173160), (120, 2064502), (121, 2047440), (132, 1876820), (152, 1629870), (165, 1501456), (176, 1407615), (190, 1303896), (209, 1185360), (220, 1126092), (228, 1086580), (240, 1032251), (242, 1023720), (264, 938410), (285, 869264), (304, 814935), (330, 750728), (363, 682480), (380, 651948), (418, 592680), (440, 563046), (449, 551760), (456, 543290), (484, 511860), (528, 469205), (570, 434632), (605, 409488), (627, 395120), (660, 375364), (726, 341240), (760, 325974), (836, 296340), (880, 281523), (898, 275880), (912, 271645), (968, 255930), (1045, 237072), (1140, 217316), (1210, 204744), (1254, 197560), (1320, 187682), (1347, 183920), (1452, 170620), (1520, 162987), (1672, 148170), (1796, 137940), (1815, 136496), (1936, 127965), (2090, 118536), (2245, 110352), (2280, 108658), (2299, 107760), (2420, 102372), (2508, 98780), (2640, 93841), (2694, 91960), (2904, 85310), (3135, 79024), (3344, 74085), (3592, 68970), (3630, 68248), (4180, 59268), (4490, 55176), (4560, 54329), (4598, 53880), (4840, 51186), (4939, 50160), (5016, 49390), (5388, 45980), (5808, 42655), (6270, 39512), (6735, 36784), (6897, 35920), (7184, 34485), (7260, 34124), (8360, 29634), (8531, 29040), (8980, 27588), (9196, 26940), (9680, 25593), (9878, 25080), (10032, 24695), (10776, 22990), (11495, 21552), (12540, 19756), (13470, 18392), (13794, 17960), (14520, 17062), (14817, 16720)]