1216518120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1787}}^1$

素因数の和:1896

約数の個数: 192

約数和(自身を含む): 4150448640

約数和(自身を除く): 2933930520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 61, 62, 72, 90, 93, 120, 122, 124, 155, 180, 183, 186, 244, 248, 279, 305, 310, 360, 366, 372, 465, 488, 549, 558, 610, 620, 732, 744, 915, 930, 1098, 1116, 1220, 1240, 1395, 1464, 1787, 1830, 1860, 1891, 2196, 2232, 2440, 2745, 2790, 3574, 3660, 3720, 3782, 4392, 5361, 5490, 5580, 5673, 7148, 7320, 7564, 8935, 9455, 10722, 10980, 11160, 11346, 14296, 15128, 16083, 17019, 17870, 18910, 21444, 21960, 22692, 26805, 28365, 32166, 34038, 35740, 37820, 42888, 45384, 53610, 55397, 56730, 64332, 68076, 71480, 75640, 80415, 85095, 107220, 109007, 110794, 113460, 128664, 136152, 160830, 166191, 170190, 214440, 218014, 221588, 226920, 276985, 321660, 327021, 332382, 340380, 436028, 443176, 498573, 545035, 553970, 643320, 654042, 664764, 680760, 830955, 872056, 981063, 997146, 1090070, 1107940, 1308084, 1329528, 1635105, 1661910, 1962126, 1994292, 2180140, 2215880, 2492865, 2616168, 3270210, 3323820, 3379217, 3924252, 3988584, 4360280, 4905315, 4985730, 6540420, 6647640, 6758434, 7848504, 9810630, 9971460, 10137651, 13080840, 13516868, 16896085, 19621260, 19942920, 20275302, 27033736, 30412953, 33792170, 39242520, 40550604, 50688255, 60825906, 67584340, 81101208, 101376510, 121651812, 135168680, 152064765, 202753020, 243303624, 304129530, 405506040, 608259060, 1216518120]

約数ペア:

[(1, 1216518120), (2, 608259060), (3, 405506040), (4, 304129530), (5, 243303624), (6, 202753020), (8, 152064765), (9, 135168680), (10, 121651812), (12, 101376510), (15, 81101208), (18, 67584340), (20, 60825906), (24, 50688255), (30, 40550604), (31, 39242520), (36, 33792170), (40, 30412953), (45, 27033736), (60, 20275302), (61, 19942920), (62, 19621260), (72, 16896085), (90, 13516868), (93, 13080840), (120, 10137651), (122, 9971460), (124, 9810630), (155, 7848504), (180, 6758434), (183, 6647640), (186, 6540420), (244, 4985730), (248, 4905315), (279, 4360280), (305, 3988584), (310, 3924252), (360, 3379217), (366, 3323820), (372, 3270210), (465, 2616168), (488, 2492865), (549, 2215880), (558, 2180140), (610, 1994292), (620, 1962126), (732, 1661910), (744, 1635105), (915, 1329528), (930, 1308084), (1098, 1107940), (1116, 1090070), (1220, 997146), (1240, 981063), (1395, 872056), (1464, 830955), (1787, 680760), (1830, 664764), (1860, 654042), (1891, 643320), (2196, 553970), (2232, 545035), (2440, 498573), (2745, 443176), (2790, 436028), (3574, 340380), (3660, 332382), (3720, 327021), (3782, 321660), (4392, 276985), (5361, 226920), (5490, 221588), (5580, 218014), (5673, 214440), (7148, 170190), (7320, 166191), (7564, 160830), (8935, 136152), (9455, 128664), (10722, 113460), (10980, 110794), (11160, 109007), (11346, 107220), (14296, 85095), (15128, 80415), (16083, 75640), (17019, 71480), (17870, 68076), (18910, 64332), (21444, 56730), (21960, 55397), (22692, 53610), (26805, 45384), (28365, 42888), (32166, 37820), (34038, 35740)]