2819420240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^3$

素因数の和:139

約数の個数: 240

約数和(自身を含む): 8382606336

約数和(自身を除く): 5563186096

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 169, 182, 208, 217, 248, 260, 280, 310, 338, 364, 403, 434, 455, 496, 520, 560, 620, 676, 728, 806, 845, 868, 910, 961, 1040, 1085, 1183, 1240, 1352, 1456, 1612, 1690, 1736, 1820, 1922, 2015, 2170, 2366, 2480, 2704, 2821, 3224, 3380, 3472, 3640, 3844, 4030, 4340, 4732, 4805, 5239, 5642, 5915, 6448, 6727, 6760, 7280, 7688, 8060, 8680, 9464, 9610, 10478, 11284, 11830, 12493, 13454, 13520, 14105, 15376, 16120, 17360, 18928, 19220, 20956, 22568, 23660, 24986, 26195, 26908, 28210, 29791, 32240, 33635, 36673, 38440, 41912, 45136, 47320, 49972, 52390, 53816, 56420, 59582, 62465, 67270, 73346, 76880, 83824, 87451, 94640, 99944, 104780, 107632, 112840, 119164, 124930, 134540, 146692, 148955, 162409, 174902, 183365, 199888, 208537, 209560, 225680, 238328, 249860, 269080, 293384, 297910, 324818, 349804, 366730, 387283, 417074, 419120, 437255, 476656, 499720, 538160, 586768, 595820, 649636, 699608, 733460, 774566, 812045, 834148, 874510, 999440, 1042685, 1136863, 1191640, 1299272, 1399216, 1466920, 1549132, 1624090, 1668296, 1749020, 1936415, 2085370, 2273726, 2383280, 2598544, 2710981, 2933840, 3098264, 3248180, 3336592, 3498040, 3872830, 4170740, 4547452, 5034679, 5421962, 5684315, 6196528, 6496360, 6996080, 7745660, 8341480, 9094904, 10069358, 10843924, 11368630, 12992720, 13554905, 15491320, 16682960, 18189808, 20138716, 21687848, 22737260, 25173395, 27109810, 30982640, 35242753, 40277432, 43375696, 45474520, 50346790, 54219620, 70485506, 80554864, 90949040, 100693580, 108439240, 140971012, 176213765, 201387160, 216878480, 281942024, 352427530, 402774320, 563884048, 704855060, 1409710120, 2819420240]

約数ペア:

[(1, 2819420240), (2, 1409710120), (4, 704855060), (5, 563884048), (7, 402774320), (8, 352427530), (10, 281942024), (13, 216878480), (14, 201387160), (16, 176213765), (20, 140971012), (26, 108439240), (28, 100693580), (31, 90949040), (35, 80554864), (40, 70485506), (52, 54219620), (56, 50346790), (62, 45474520), (65, 43375696), (70, 40277432), (80, 35242753), (91, 30982640), (104, 27109810), (112, 25173395), (124, 22737260), (130, 21687848), (140, 20138716), (155, 18189808), (169, 16682960), (182, 15491320), (208, 13554905), (217, 12992720), (248, 11368630), (260, 10843924), (280, 10069358), (310, 9094904), (338, 8341480), (364, 7745660), (403, 6996080), (434, 6496360), (455, 6196528), (496, 5684315), (520, 5421962), (560, 5034679), (620, 4547452), (676, 4170740), (728, 3872830), (806, 3498040), (845, 3336592), (868, 3248180), (910, 3098264), (961, 2933840), (1040, 2710981), (1085, 2598544), (1183, 2383280), (1240, 2273726), (1352, 2085370), (1456, 1936415), (1612, 1749020), (1690, 1668296), (1736, 1624090), (1820, 1549132), (1922, 1466920), (2015, 1399216), (2170, 1299272), (2366, 1191640), (2480, 1136863), (2704, 1042685), (2821, 999440), (3224, 874510), (3380, 834148), (3472, 812045), (3640, 774566), (3844, 733460), (4030, 699608), (4340, 649636), (4732, 595820), (4805, 586768), (5239, 538160), (5642, 499720), (5915, 476656), (6448, 437255), (6727, 419120), (6760, 417074), (7280, 387283), (7688, 366730), (8060, 349804), (8680, 324818), (9464, 297910), (9610, 293384), (10478, 269080), (11284, 249860), (11830, 238328), (12493, 225680), (13454, 209560), (13520, 208537), (14105, 199888), (15376, 183365), (16120, 174902), (17360, 162409), (18928, 148955), (19220, 146692), (20956, 134540), (22568, 124930), (23660, 119164), (24986, 112840), (26195, 107632), (26908, 104780), (28210, 99944), (29791, 94640), (32240, 87451), (33635, 83824), (36673, 76880), (38440, 73346), (41912, 67270), (45136, 62465), (47320, 59582), (49972, 56420), (52390, 53816)]