243940620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:453

約数の個数: 288

約数和(自身を含む): 914699520

約数和(自身を除く): 670758900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 19, 20, 21, 22, 28, 30, 33, 35, 38, 42, 44, 49, 55, 57, 60, 66, 70, 76, 77, 84, 95, 98, 105, 110, 114, 132, 133, 140, 147, 154, 165, 190, 196, 209, 210, 220, 228, 231, 245, 266, 285, 294, 308, 330, 380, 385, 397, 399, 418, 420, 462, 490, 532, 539, 570, 588, 627, 660, 665, 735, 770, 794, 798, 836, 924, 931, 980, 1045, 1078, 1140, 1155, 1191, 1254, 1330, 1463, 1470, 1540, 1588, 1596, 1617, 1862, 1985, 1995, 2090, 2156, 2310, 2382, 2508, 2660, 2695, 2779, 2793, 2926, 2940, 3135, 3234, 3724, 3970, 3990, 4180, 4367, 4389, 4620, 4655, 4764, 5390, 5558, 5586, 5852, 5955, 6270, 6468, 7315, 7543, 7940, 7980, 8085, 8337, 8734, 8778, 9310, 10241, 10780, 11116, 11172, 11910, 12540, 13101, 13895, 13965, 14630, 15086, 16170, 16674, 17468, 17556, 18620, 19453, 20482, 21835, 21945, 22629, 23820, 26202, 27790, 27930, 29260, 30172, 30569, 30723, 32340, 33348, 37715, 38906, 40964, 41685, 43670, 43890, 45258, 51205, 52404, 52801, 55580, 55860, 58359, 61138, 61446, 65505, 75430, 77812, 82973, 83370, 87340, 87780, 90516, 91707, 97265, 102410, 105602, 113145, 116718, 122276, 122892, 131010, 150860, 152845, 153615, 158403, 165946, 166740, 183414, 194530, 204820, 211204, 213983, 226290, 233436, 248919, 262020, 264005, 291795, 305690, 307230, 316806, 331892, 366828, 369607, 389060, 414865, 427966, 452580, 458535, 497838, 528010, 580811, 583590, 611380, 614460, 633612, 641949, 739214, 792015, 829730, 855932, 917070, 995676, 1056020, 1069915, 1108821, 1161622, 1167180, 1244595, 1283898, 1478428, 1584030, 1659460, 1742433, 1834140, 1848035, 2139830, 2217642, 2323244, 2489190, 2567796, 2904055, 3168060, 3209745, 3484866, 3696070, 4065677, 4279660, 4435284, 4978380, 5544105, 5808110, 6419490, 6969732, 7392140, 8131354, 8712165, 11088210, 11616220, 12197031, 12838980, 16262708, 17424330, 20328385, 22176420, 24394062, 34848660, 40656770, 48788124, 60985155, 81313540, 121970310, 243940620]

約数ペア:

[(1, 243940620), (2, 121970310), (3, 81313540), (4, 60985155), (5, 48788124), (6, 40656770), (7, 34848660), (10, 24394062), (11, 22176420), (12, 20328385), (14, 17424330), (15, 16262708), (19, 12838980), (20, 12197031), (21, 11616220), (22, 11088210), (28, 8712165), (30, 8131354), (33, 7392140), (35, 6969732), (38, 6419490), (42, 5808110), (44, 5544105), (49, 4978380), (55, 4435284), (57, 4279660), (60, 4065677), (66, 3696070), (70, 3484866), (76, 3209745), (77, 3168060), (84, 2904055), (95, 2567796), (98, 2489190), (105, 2323244), (110, 2217642), (114, 2139830), (132, 1848035), (133, 1834140), (140, 1742433), (147, 1659460), (154, 1584030), (165, 1478428), (190, 1283898), (196, 1244595), (209, 1167180), (210, 1161622), (220, 1108821), (228, 1069915), (231, 1056020), (245, 995676), (266, 917070), (285, 855932), (294, 829730), (308, 792015), (330, 739214), (380, 641949), (385, 633612), (397, 614460), (399, 611380), (418, 583590), (420, 580811), (462, 528010), (490, 497838), (532, 458535), (539, 452580), (570, 427966), (588, 414865), (627, 389060), (660, 369607), (665, 366828), (735, 331892), (770, 316806), (794, 307230), (798, 305690), (836, 291795), (924, 264005), (931, 262020), (980, 248919), (1045, 233436), (1078, 226290), (1140, 213983), (1155, 211204), (1191, 204820), (1254, 194530), (1330, 183414), (1463, 166740), (1470, 165946), (1540, 158403), (1588, 153615), (1596, 152845), (1617, 150860), (1862, 131010), (1985, 122892), (1995, 122276), (2090, 116718), (2156, 113145), (2310, 105602), (2382, 102410), (2508, 97265), (2660, 91707), (2695, 90516), (2779, 87780), (2793, 87340), (2926, 83370), (2940, 82973), (3135, 77812), (3234, 75430), (3724, 65505), (3970, 61446), (3990, 61138), (4180, 58359), (4367, 55860), (4389, 55580), (4620, 52801), (4655, 52404), (4764, 51205), (5390, 45258), (5558, 43890), (5586, 43670), (5852, 41685), (5955, 40964), (6270, 38906), (6468, 37715), (7315, 33348), (7543, 32340), (7940, 30723), (7980, 30569), (8085, 30172), (8337, 29260), (8734, 27930), (8778, 27790), (9310, 26202), (10241, 23820), (10780, 22629), (11116, 21945), (11172, 21835), (11910, 20482), (12540, 19453), (13101, 18620), (13895, 17556), (13965, 17468), (14630, 16674), (15086, 16170)]