19650487920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{22111}}^1$

素因数の和:22180

約数の個数: 240

約数和(自身を含む): 72780675072

約数和(自身を除く): 53130187152

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 529, 552, 560, 644, 690, 805, 840, 920, 966, 1058, 1104, 1288, 1380, 1587, 1610, 1680, 1840, 1932, 2116, 2415, 2576, 2645, 2760, 3174, 3220, 3703, 3864, 4232, 4830, 5290, 5520, 6348, 6440, 7406, 7728, 7935, 8464, 9660, 10580, 11109, 12696, 12880, 14812, 15870, 18515, 19320, 21160, 22111, 22218, 25392, 29624, 31740, 37030, 38640, 42320, 44222, 44436, 55545, 59248, 63480, 66333, 74060, 88444, 88872, 110555, 111090, 126960, 132666, 148120, 154777, 176888, 177744, 221110, 222180, 265332, 296240, 309554, 331665, 353776, 442220, 444360, 464331, 508553, 530664, 619108, 663330, 773885, 884440, 888720, 928662, 1017106, 1061328, 1238216, 1326660, 1525659, 1547770, 1768880, 1857324, 2034212, 2321655, 2476432, 2542765, 2653320, 3051318, 3095540, 3559871, 3714648, 4068424, 4643310, 5085530, 5306640, 6102636, 6191080, 7119742, 7429296, 7628295, 8136848, 9286620, 10171060, 10679613, 11696719, 12205272, 12382160, 14239484, 15256590, 17799355, 18573240, 20342120, 21359226, 23393438, 24410544, 28478968, 30513180, 35090157, 35598710, 37146480, 40684240, 42718452, 46786876, 53398065, 56957936, 58483595, 61026360, 70180314, 71197420, 81877033, 85436904, 93573752, 106796130, 116967190, 122052720, 140360628, 142394840, 163754066, 170873808, 175450785, 187147504, 213592260, 233934380, 245631099, 280721256, 284789680, 327508132, 350901570, 409385165, 427184520, 467868760, 491262198, 561442512, 655016264, 701803140, 818770330, 854369040, 935737520, 982524396, 1228155495, 1310032528, 1403606280, 1637540660, 1965048792, 2456310990, 2807212560, 3275081320, 3930097584, 4912621980, 6550162640, 9825243960, 19650487920]

約数ペア:

[(1, 19650487920), (2, 9825243960), (3, 6550162640), (4, 4912621980), (5, 3930097584), (6, 3275081320), (7, 2807212560), (8, 2456310990), (10, 1965048792), (12, 1637540660), (14, 1403606280), (15, 1310032528), (16, 1228155495), (20, 982524396), (21, 935737520), (23, 854369040), (24, 818770330), (28, 701803140), (30, 655016264), (35, 561442512), (40, 491262198), (42, 467868760), (46, 427184520), (48, 409385165), (56, 350901570), (60, 327508132), (69, 284789680), (70, 280721256), (80, 245631099), (84, 233934380), (92, 213592260), (105, 187147504), (112, 175450785), (115, 170873808), (120, 163754066), (138, 142394840), (140, 140360628), (161, 122052720), (168, 116967190), (184, 106796130), (210, 93573752), (230, 85436904), (240, 81877033), (276, 71197420), (280, 70180314), (322, 61026360), (336, 58483595), (345, 56957936), (368, 53398065), (420, 46786876), (460, 42718452), (483, 40684240), (529, 37146480), (552, 35598710), (560, 35090157), (644, 30513180), (690, 28478968), (805, 24410544), (840, 23393438), (920, 21359226), (966, 20342120), (1058, 18573240), (1104, 17799355), (1288, 15256590), (1380, 14239484), (1587, 12382160), (1610, 12205272), (1680, 11696719), (1840, 10679613), (1932, 10171060), (2116, 9286620), (2415, 8136848), (2576, 7628295), (2645, 7429296), (2760, 7119742), (3174, 6191080), (3220, 6102636), (3703, 5306640), (3864, 5085530), (4232, 4643310), (4830, 4068424), (5290, 3714648), (5520, 3559871), (6348, 3095540), (6440, 3051318), (7406, 2653320), (7728, 2542765), (7935, 2476432), (8464, 2321655), (9660, 2034212), (10580, 1857324), (11109, 1768880), (12696, 1547770), (12880, 1525659), (14812, 1326660), (15870, 1238216), (18515, 1061328), (19320, 1017106), (21160, 928662), (22111, 888720), (22218, 884440), (25392, 773885), (29624, 663330), (31740, 619108), (37030, 530664), (38640, 508553), (42320, 464331), (44222, 444360), (44436, 442220), (55545, 353776), (59248, 331665), (63480, 309554), (66333, 296240), (74060, 265332), (88444, 222180), (88872, 221110), (110555, 177744), (111090, 176888), (126960, 154777), (132666, 148120)]