1221555300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3613}}^1$

素因数の和:3667

約数の個数: 216

約数和(自身を含む): 4291350336

約数和(自身を除く): 3069795036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 25, 28, 30, 35, 42, 46, 49, 50, 60, 69, 70, 75, 84, 92, 98, 100, 105, 115, 138, 140, 147, 150, 161, 175, 196, 210, 230, 245, 276, 294, 300, 322, 345, 350, 420, 460, 483, 490, 525, 575, 588, 644, 690, 700, 735, 805, 966, 980, 1050, 1127, 1150, 1225, 1380, 1470, 1610, 1725, 1932, 2100, 2254, 2300, 2415, 2450, 2940, 3220, 3381, 3450, 3613, 3675, 4025, 4508, 4830, 4900, 5635, 6762, 6900, 7226, 7350, 8050, 9660, 10839, 11270, 12075, 13524, 14452, 14700, 16100, 16905, 18065, 21678, 22540, 24150, 25291, 28175, 33810, 36130, 43356, 48300, 50582, 54195, 56350, 67620, 72260, 75873, 83099, 84525, 90325, 101164, 108390, 112700, 126455, 151746, 166198, 169050, 177037, 180650, 216780, 249297, 252910, 270975, 303492, 332396, 338100, 354074, 361300, 379365, 415495, 498594, 505820, 531111, 541950, 581693, 632275, 708148, 758730, 830990, 885185, 997188, 1062222, 1083900, 1163386, 1246485, 1264550, 1517460, 1661980, 1745079, 1770370, 1896825, 2077475, 2124444, 2326772, 2492970, 2529100, 2655555, 2908465, 3490158, 3540740, 3793650, 4071851, 4154950, 4425925, 4985940, 5311110, 5816930, 6232425, 6980316, 7587300, 8143702, 8309900, 8725395, 8851850, 10622220, 11633860, 12215553, 12464850, 13277775, 14542325, 16287404, 17450790, 17703700, 20359255, 24431106, 24929700, 26555550, 29084650, 34901580, 40718510, 43626975, 48862212, 53111100, 58169300, 61077765, 81437020, 87253950, 101796275, 122155530, 174507900, 203592550, 244311060, 305388825, 407185100, 610777650, 1221555300]

約数ペア:

[(1, 1221555300), (2, 610777650), (3, 407185100), (4, 305388825), (5, 244311060), (6, 203592550), (7, 174507900), (10, 122155530), (12, 101796275), (14, 87253950), (15, 81437020), (20, 61077765), (21, 58169300), (23, 53111100), (25, 48862212), (28, 43626975), (30, 40718510), (35, 34901580), (42, 29084650), (46, 26555550), (49, 24929700), (50, 24431106), (60, 20359255), (69, 17703700), (70, 17450790), (75, 16287404), (84, 14542325), (92, 13277775), (98, 12464850), (100, 12215553), (105, 11633860), (115, 10622220), (138, 8851850), (140, 8725395), (147, 8309900), (150, 8143702), (161, 7587300), (175, 6980316), (196, 6232425), (210, 5816930), (230, 5311110), (245, 4985940), (276, 4425925), (294, 4154950), (300, 4071851), (322, 3793650), (345, 3540740), (350, 3490158), (420, 2908465), (460, 2655555), (483, 2529100), (490, 2492970), (525, 2326772), (575, 2124444), (588, 2077475), (644, 1896825), (690, 1770370), (700, 1745079), (735, 1661980), (805, 1517460), (966, 1264550), (980, 1246485), (1050, 1163386), (1127, 1083900), (1150, 1062222), (1225, 997188), (1380, 885185), (1470, 830990), (1610, 758730), (1725, 708148), (1932, 632275), (2100, 581693), (2254, 541950), (2300, 531111), (2415, 505820), (2450, 498594), (2940, 415495), (3220, 379365), (3381, 361300), (3450, 354074), (3613, 338100), (3675, 332396), (4025, 303492), (4508, 270975), (4830, 252910), (4900, 249297), (5635, 216780), (6762, 180650), (6900, 177037), (7226, 169050), (7350, 166198), (8050, 151746), (9660, 126455), (10839, 112700), (11270, 108390), (12075, 101164), (13524, 90325), (14452, 84525), (14700, 83099), (16100, 75873), (16905, 72260), (18065, 67620), (21678, 56350), (22540, 54195), (24150, 50582), (25291, 48300), (28175, 43356), (33810, 36130)]