285645780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 288

約数和(自身を含む): 1046642688

約数和(自身を除く): 760996908

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 71, 84, 90, 93, 103, 105, 124, 126, 140, 142, 155, 180, 186, 206, 210, 213, 217, 252, 279, 284, 309, 310, 315, 355, 372, 412, 420, 426, 434, 465, 497, 515, 558, 618, 620, 630, 639, 651, 710, 721, 852, 868, 927, 930, 994, 1030, 1065, 1085, 1116, 1236, 1260, 1278, 1302, 1395, 1420, 1442, 1491, 1545, 1854, 1860, 1953, 1988, 2060, 2130, 2163, 2170, 2201, 2485, 2556, 2604, 2790, 2884, 2982, 3090, 3193, 3195, 3255, 3605, 3708, 3906, 4260, 4326, 4340, 4402, 4473, 4635, 4970, 5580, 5964, 6180, 6386, 6390, 6489, 6510, 6603, 7210, 7313, 7455, 7812, 8652, 8804, 8946, 9270, 9579, 9765, 9940, 10815, 11005, 12772, 12780, 12978, 13020, 13206, 14420, 14626, 14910, 15407, 15965, 17892, 18540, 19158, 19530, 19809, 21630, 21939, 22010, 22351, 22365, 25956, 26412, 28737, 29252, 29820, 30814, 31930, 32445, 33015, 36565, 38316, 39060, 39618, 43260, 43878, 44020, 44702, 44730, 46221, 47895, 51191, 57474, 61628, 63860, 64890, 65817, 66030, 67053, 73130, 77035, 79236, 87756, 89404, 89460, 92442, 95790, 99045, 102382, 109695, 111755, 114948, 129780, 131634, 132060, 134106, 138663, 143685, 146260, 153573, 154070, 184884, 191580, 198090, 201159, 204764, 219390, 223510, 226703, 231105, 255955, 263268, 268212, 277326, 287370, 307146, 308140, 329085, 335265, 396180, 402318, 438780, 447020, 453406, 460719, 462210, 511910, 554652, 574740, 614292, 658170, 670530, 680109, 693315, 767865, 804636, 906812, 921438, 924420, 1005795, 1023820, 1133515, 1316340, 1341060, 1360218, 1386630, 1535730, 1586921, 1842876, 2011590, 2040327, 2267030, 2303595, 2720436, 2773260, 3071460, 3173842, 3400545, 4023180, 4080654, 4534060, 4607190, 4760763, 6347684, 6801090, 7934605, 8161308, 9214380, 9521526, 10201635, 13602180, 14282289, 15869210, 19043052, 20403270, 23803815, 28564578, 31738420, 40806540, 47607630, 57129156, 71411445, 95215260, 142822890, 285645780]

約数ペア:

[(1, 285645780), (2, 142822890), (3, 95215260), (4, 71411445), (5, 57129156), (6, 47607630), (7, 40806540), (9, 31738420), (10, 28564578), (12, 23803815), (14, 20403270), (15, 19043052), (18, 15869210), (20, 14282289), (21, 13602180), (28, 10201635), (30, 9521526), (31, 9214380), (35, 8161308), (36, 7934605), (42, 6801090), (45, 6347684), (60, 4760763), (62, 4607190), (63, 4534060), (70, 4080654), (71, 4023180), (84, 3400545), (90, 3173842), (93, 3071460), (103, 2773260), (105, 2720436), (124, 2303595), (126, 2267030), (140, 2040327), (142, 2011590), (155, 1842876), (180, 1586921), (186, 1535730), (206, 1386630), (210, 1360218), (213, 1341060), (217, 1316340), (252, 1133515), (279, 1023820), (284, 1005795), (309, 924420), (310, 921438), (315, 906812), (355, 804636), (372, 767865), (412, 693315), (420, 680109), (426, 670530), (434, 658170), (465, 614292), (497, 574740), (515, 554652), (558, 511910), (618, 462210), (620, 460719), (630, 453406), (639, 447020), (651, 438780), (710, 402318), (721, 396180), (852, 335265), (868, 329085), (927, 308140), (930, 307146), (994, 287370), (1030, 277326), (1065, 268212), (1085, 263268), (1116, 255955), (1236, 231105), (1260, 226703), (1278, 223510), (1302, 219390), (1395, 204764), (1420, 201159), (1442, 198090), (1491, 191580), (1545, 184884), (1854, 154070), (1860, 153573), (1953, 146260), (1988, 143685), (2060, 138663), (2130, 134106), (2163, 132060), (2170, 131634), (2201, 129780), (2485, 114948), (2556, 111755), (2604, 109695), (2790, 102382), (2884, 99045), (2982, 95790), (3090, 92442), (3193, 89460), (3195, 89404), (3255, 87756), (3605, 79236), (3708, 77035), (3906, 73130), (4260, 67053), (4326, 66030), (4340, 65817), (4402, 64890), (4473, 63860), (4635, 61628), (4970, 57474), (5580, 51191), (5964, 47895), (6180, 46221), (6386, 44730), (6390, 44702), (6489, 44020), (6510, 43878), (6603, 43260), (7210, 39618), (7313, 39060), (7455, 38316), (7812, 36565), (8652, 33015), (8804, 32445), (8946, 31930), (9270, 30814), (9579, 29820), (9765, 29252), (9940, 28737), (10815, 26412), (11005, 25956), (12772, 22365), (12780, 22351), (12978, 22010), (13020, 21939), (13206, 21630), (14420, 19809), (14626, 19530), (14910, 19158), (15407, 18540), (15965, 17892)]