1257795420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:468

約数の個数: 192

約数和(自身を含む): 4112640000

約数和(自身を除く): 2854844580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 149, 199, 202, 210, 298, 303, 398, 404, 420, 447, 505, 596, 597, 606, 707, 745, 796, 894, 995, 1010, 1043, 1194, 1212, 1393, 1414, 1490, 1515, 1788, 1990, 2020, 2086, 2121, 2235, 2388, 2786, 2828, 2980, 2985, 3030, 3129, 3535, 3980, 4172, 4179, 4242, 4470, 5215, 5572, 5970, 6060, 6258, 6965, 7070, 8358, 8484, 8940, 10430, 10605, 11940, 12516, 13930, 14140, 15049, 15645, 16716, 20099, 20860, 20895, 21210, 27860, 29651, 30098, 31290, 40198, 41790, 42420, 45147, 59302, 60196, 60297, 62580, 75245, 80396, 83580, 88953, 90294, 100495, 105343, 118604, 120594, 140693, 148255, 150490, 177906, 180588, 200990, 207557, 210686, 225735, 241188, 281386, 296510, 300980, 301485, 316029, 355812, 401980, 415114, 421372, 422079, 444765, 451470, 526715, 562772, 593020, 602970, 622671, 632058, 703465, 830228, 844158, 889530, 902940, 1037785, 1053430, 1205940, 1245342, 1264116, 1406930, 1580145, 1688316, 1779060, 2075570, 2106860, 2110395, 2490684, 2813860, 2994751, 3113355, 3160290, 4151140, 4220790, 5989502, 6226710, 6320580, 8441580, 8984253, 11979004, 12453420, 14973755, 17968506, 20963257, 29947510, 35937012, 41926514, 44921265, 59895020, 62889771, 83853028, 89842530, 104816285, 125779542, 179685060, 209632570, 251559084, 314448855, 419265140, 628897710, 1257795420]

約数ペア:

[(1, 1257795420), (2, 628897710), (3, 419265140), (4, 314448855), (5, 251559084), (6, 209632570), (7, 179685060), (10, 125779542), (12, 104816285), (14, 89842530), (15, 83853028), (20, 62889771), (21, 59895020), (28, 44921265), (30, 41926514), (35, 35937012), (42, 29947510), (60, 20963257), (70, 17968506), (84, 14973755), (101, 12453420), (105, 11979004), (140, 8984253), (149, 8441580), (199, 6320580), (202, 6226710), (210, 5989502), (298, 4220790), (303, 4151140), (398, 3160290), (404, 3113355), (420, 2994751), (447, 2813860), (505, 2490684), (596, 2110395), (597, 2106860), (606, 2075570), (707, 1779060), (745, 1688316), (796, 1580145), (894, 1406930), (995, 1264116), (1010, 1245342), (1043, 1205940), (1194, 1053430), (1212, 1037785), (1393, 902940), (1414, 889530), (1490, 844158), (1515, 830228), (1788, 703465), (1990, 632058), (2020, 622671), (2086, 602970), (2121, 593020), (2235, 562772), (2388, 526715), (2786, 451470), (2828, 444765), (2980, 422079), (2985, 421372), (3030, 415114), (3129, 401980), (3535, 355812), (3980, 316029), (4172, 301485), (4179, 300980), (4242, 296510), (4470, 281386), (5215, 241188), (5572, 225735), (5970, 210686), (6060, 207557), (6258, 200990), (6965, 180588), (7070, 177906), (8358, 150490), (8484, 148255), (8940, 140693), (10430, 120594), (10605, 118604), (11940, 105343), (12516, 100495), (13930, 90294), (14140, 88953), (15049, 83580), (15645, 80396), (16716, 75245), (20099, 62580), (20860, 60297), (20895, 60196), (21210, 59302), (27860, 45147), (29651, 42420), (30098, 41790), (31290, 40198)]