20120031540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{694273}}^1$

素因数の和:694318

約数の個数: 144

約数和(自身を含む): 72782131968

約数和(自身を除く): 52662100428

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 1035, 1260, 1380, 1449, 1610, 1932, 2070, 2415, 2898, 3220, 4140, 4830, 5796, 7245, 9660, 14490, 28980, 694273, 1388546, 2082819, 2777092, 3471365, 4165638, 4859911, 6248457, 6942730, 8331276, 9719822, 10414095, 12496914, 13885460, 14579733, 15968279, 19439644, 20828190, 24299555, 24993828, 29159466, 31242285, 31936558, 41656380, 43739199, 47904837, 48599110, 58318932, 62484570, 63873116, 72898665, 79841395, 87478398, 95809674, 97198220, 111777953, 124969140, 143714511, 145797330, 159682790, 174956796, 191619348, 218695995, 223555906, 239524185, 287429022, 291594660, 319365580, 335333859, 437391990, 447111812, 479048370, 558889765, 574858044, 670667718, 718572555, 874783980, 958096740, 1006001577, 1117779530, 1341335436, 1437145110, 1676669295, 2012003154, 2235559060, 2874290220, 3353338590, 4024006308, 5030007885, 6706677180, 10060015770, 20120031540]

約数ペア:

[(1, 20120031540), (2, 10060015770), (3, 6706677180), (4, 5030007885), (5, 4024006308), (6, 3353338590), (7, 2874290220), (9, 2235559060), (10, 2012003154), (12, 1676669295), (14, 1437145110), (15, 1341335436), (18, 1117779530), (20, 1006001577), (21, 958096740), (23, 874783980), (28, 718572555), (30, 670667718), (35, 574858044), (36, 558889765), (42, 479048370), (45, 447111812), (46, 437391990), (60, 335333859), (63, 319365580), (69, 291594660), (70, 287429022), (84, 239524185), (90, 223555906), (92, 218695995), (105, 191619348), (115, 174956796), (126, 159682790), (138, 145797330), (140, 143714511), (161, 124969140), (180, 111777953), (207, 97198220), (210, 95809674), (230, 87478398), (252, 79841395), (276, 72898665), (315, 63873116), (322, 62484570), (345, 58318932), (414, 48599110), (420, 47904837), (460, 43739199), (483, 41656380), (630, 31936558), (644, 31242285), (690, 29159466), (805, 24993828), (828, 24299555), (966, 20828190), (1035, 19439644), (1260, 15968279), (1380, 14579733), (1449, 13885460), (1610, 12496914), (1932, 10414095), (2070, 9719822), (2415, 8331276), (2898, 6942730), (3220, 6248457), (4140, 4859911), (4830, 4165638), (5796, 3471365), (7245, 2777092), (9660, 2082819), (14490, 1388546), (28980, 694273)]