1279863900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{911}}^1$

素因数の和:1161

約数の個数: 216

約数和(自身を含む): 4610371584

約数和(自身を除く): 3330507684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 223, 225, 252, 300, 315, 350, 420, 446, 450, 525, 630, 669, 700, 892, 900, 911, 1050, 1115, 1260, 1338, 1561, 1575, 1822, 2007, 2100, 2230, 2676, 2733, 3122, 3150, 3345, 3644, 4014, 4460, 4555, 4683, 5466, 5575, 6244, 6300, 6377, 6690, 7805, 8028, 8199, 9110, 9366, 10035, 10932, 11150, 12754, 13380, 13665, 14049, 15610, 16398, 16725, 18220, 18732, 19131, 20070, 22300, 22775, 23415, 25508, 27330, 28098, 31220, 31885, 32796, 33450, 38262, 39025, 40140, 40995, 45550, 46830, 50175, 54660, 56196, 57393, 63770, 66900, 68325, 70245, 76524, 78050, 81990, 91100, 93660, 95655, 100350, 114786, 117075, 127540, 136650, 140490, 156100, 159425, 163980, 191310, 200700, 203153, 204975, 229572, 234150, 273300, 280980, 286965, 318850, 351225, 382620, 406306, 409950, 468300, 478275, 573930, 609459, 637700, 702450, 812612, 819900, 956550, 1015765, 1147860, 1218918, 1404900, 1422071, 1434825, 1828377, 1913100, 2031530, 2437836, 2844142, 2869650, 3047295, 3656754, 4063060, 4266213, 5078825, 5688284, 5739300, 6094590, 7110355, 7313508, 8532426, 9141885, 10157650, 12189180, 12798639, 14220710, 15236475, 17064852, 18283770, 20315300, 21331065, 25597278, 28441420, 30472950, 35551775, 36567540, 42662130, 45709425, 51194556, 60945900, 63993195, 71103550, 85324260, 91418850, 106655325, 127986390, 142207100, 182837700, 213310650, 255972780, 319965975, 426621300, 639931950, 1279863900]

約数ペア:

[(1, 1279863900), (2, 639931950), (3, 426621300), (4, 319965975), (5, 255972780), (6, 213310650), (7, 182837700), (9, 142207100), (10, 127986390), (12, 106655325), (14, 91418850), (15, 85324260), (18, 71103550), (20, 63993195), (21, 60945900), (25, 51194556), (28, 45709425), (30, 42662130), (35, 36567540), (36, 35551775), (42, 30472950), (45, 28441420), (50, 25597278), (60, 21331065), (63, 20315300), (70, 18283770), (75, 17064852), (84, 15236475), (90, 14220710), (100, 12798639), (105, 12189180), (126, 10157650), (140, 9141885), (150, 8532426), (175, 7313508), (180, 7110355), (210, 6094590), (223, 5739300), (225, 5688284), (252, 5078825), (300, 4266213), (315, 4063060), (350, 3656754), (420, 3047295), (446, 2869650), (450, 2844142), (525, 2437836), (630, 2031530), (669, 1913100), (700, 1828377), (892, 1434825), (900, 1422071), (911, 1404900), (1050, 1218918), (1115, 1147860), (1260, 1015765), (1338, 956550), (1561, 819900), (1575, 812612), (1822, 702450), (2007, 637700), (2100, 609459), (2230, 573930), (2676, 478275), (2733, 468300), (3122, 409950), (3150, 406306), (3345, 382620), (3644, 351225), (4014, 318850), (4460, 286965), (4555, 280980), (4683, 273300), (5466, 234150), (5575, 229572), (6244, 204975), (6300, 203153), (6377, 200700), (6690, 191310), (7805, 163980), (8028, 159425), (8199, 156100), (9110, 140490), (9366, 136650), (10035, 127540), (10932, 117075), (11150, 114786), (12754, 100350), (13380, 95655), (13665, 93660), (14049, 91100), (15610, 81990), (16398, 78050), (16725, 76524), (18220, 70245), (18732, 68325), (19131, 66900), (20070, 63770), (22300, 57393), (22775, 56196), (23415, 54660), (25508, 50175), (27330, 46830), (28098, 45550), (31220, 40995), (31885, 40140), (32796, 39025), (33450, 38262)]