491899320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4007}}^1$

素因数の和:4066

約数の個数: 192

約数和(自身を含む): 1800714240

約数和(自身を除く): 1308814920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 55, 60, 62, 66, 72, 88, 90, 93, 99, 110, 120, 124, 132, 155, 165, 180, 186, 198, 220, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 465, 495, 558, 620, 660, 682, 744, 792, 930, 990, 1023, 1116, 1240, 1320, 1364, 1395, 1705, 1860, 1980, 2046, 2232, 2728, 2790, 3069, 3410, 3720, 3960, 4007, 4092, 5115, 5580, 6138, 6820, 8014, 8184, 10230, 11160, 12021, 12276, 13640, 15345, 16028, 20035, 20460, 24042, 24552, 30690, 32056, 36063, 40070, 40920, 44077, 48084, 60105, 61380, 72126, 80140, 88154, 96168, 120210, 122760, 124217, 132231, 144252, 160280, 176308, 180315, 220385, 240420, 248434, 264462, 288504, 352616, 360630, 372651, 396693, 440770, 480840, 496868, 528924, 621085, 661155, 721260, 745302, 793386, 881540, 993736, 1057848, 1117953, 1242170, 1322310, 1366387, 1442520, 1490604, 1586772, 1763080, 1863255, 1983465, 2235906, 2484340, 2644620, 2732774, 2981208, 3173544, 3726510, 3966930, 4099161, 4471812, 4968680, 5289240, 5465548, 5589765, 6831935, 7453020, 7933860, 8198322, 8943624, 10931096, 11179530, 12297483, 13663870, 14906040, 15867720, 16396644, 20495805, 22359060, 24594966, 27327740, 32793288, 40991610, 44718120, 49189932, 54655480, 61487415, 81983220, 98379864, 122974830, 163966440, 245949660, 491899320]

約数ペア:

[(1, 491899320), (2, 245949660), (3, 163966440), (4, 122974830), (5, 98379864), (6, 81983220), (8, 61487415), (9, 54655480), (10, 49189932), (11, 44718120), (12, 40991610), (15, 32793288), (18, 27327740), (20, 24594966), (22, 22359060), (24, 20495805), (30, 16396644), (31, 15867720), (33, 14906040), (36, 13663870), (40, 12297483), (44, 11179530), (45, 10931096), (55, 8943624), (60, 8198322), (62, 7933860), (66, 7453020), (72, 6831935), (88, 5589765), (90, 5465548), (93, 5289240), (99, 4968680), (110, 4471812), (120, 4099161), (124, 3966930), (132, 3726510), (155, 3173544), (165, 2981208), (180, 2732774), (186, 2644620), (198, 2484340), (220, 2235906), (248, 1983465), (264, 1863255), (279, 1763080), (310, 1586772), (330, 1490604), (341, 1442520), (360, 1366387), (372, 1322310), (396, 1242170), (440, 1117953), (465, 1057848), (495, 993736), (558, 881540), (620, 793386), (660, 745302), (682, 721260), (744, 661155), (792, 621085), (930, 528924), (990, 496868), (1023, 480840), (1116, 440770), (1240, 396693), (1320, 372651), (1364, 360630), (1395, 352616), (1705, 288504), (1860, 264462), (1980, 248434), (2046, 240420), (2232, 220385), (2728, 180315), (2790, 176308), (3069, 160280), (3410, 144252), (3720, 132231), (3960, 124217), (4007, 122760), (4092, 120210), (5115, 96168), (5580, 88154), (6138, 80140), (6820, 72126), (8014, 61380), (8184, 60105), (10230, 48084), (11160, 44077), (12021, 40920), (12276, 40070), (13640, 36063), (15345, 32056), (16028, 30690), (20035, 24552), (20460, 24042)]