30972900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^4\times {\mathrm{43}}^1$

素因数の和:88

約数の個数: 180

約数和(自身を含む): 106975792

約数和(自身を除く): 76002892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 43, 49, 50, 60, 70, 75, 84, 86, 98, 100, 105, 129, 140, 147, 150, 172, 175, 196, 210, 215, 245, 258, 294, 300, 301, 343, 350, 420, 430, 490, 516, 525, 588, 602, 645, 686, 700, 735, 860, 903, 980, 1029, 1050, 1075, 1204, 1225, 1290, 1372, 1470, 1505, 1715, 1806, 2058, 2100, 2107, 2150, 2401, 2450, 2580, 2940, 3010, 3225, 3430, 3612, 3675, 4116, 4214, 4300, 4515, 4802, 4900, 5145, 6020, 6321, 6450, 6860, 7203, 7350, 7525, 8428, 8575, 9030, 9604, 10290, 10535, 12005, 12642, 12900, 14406, 14700, 14749, 15050, 17150, 18060, 20580, 21070, 22575, 24010, 25284, 25725, 28812, 29498, 30100, 31605, 34300, 36015, 42140, 44247, 45150, 48020, 51450, 52675, 58996, 60025, 63210, 72030, 73745, 88494, 90300, 102900, 103243, 105350, 120050, 126420, 144060, 147490, 158025, 176988, 180075, 206486, 210700, 221235, 240100, 294980, 309729, 316050, 360150, 368725, 412972, 442470, 516215, 619458, 632100, 720300, 737450, 884940, 1032430, 1106175, 1238916, 1474900, 1548645, 2064860, 2212350, 2581075, 3097290, 4424700, 5162150, 6194580, 7743225, 10324300, 15486450, 30972900]

約数ペア:

[(1, 30972900), (2, 15486450), (3, 10324300), (4, 7743225), (5, 6194580), (6, 5162150), (7, 4424700), (10, 3097290), (12, 2581075), (14, 2212350), (15, 2064860), (20, 1548645), (21, 1474900), (25, 1238916), (28, 1106175), (30, 1032430), (35, 884940), (42, 737450), (43, 720300), (49, 632100), (50, 619458), (60, 516215), (70, 442470), (75, 412972), (84, 368725), (86, 360150), (98, 316050), (100, 309729), (105, 294980), (129, 240100), (140, 221235), (147, 210700), (150, 206486), (172, 180075), (175, 176988), (196, 158025), (210, 147490), (215, 144060), (245, 126420), (258, 120050), (294, 105350), (300, 103243), (301, 102900), (343, 90300), (350, 88494), (420, 73745), (430, 72030), (490, 63210), (516, 60025), (525, 58996), (588, 52675), (602, 51450), (645, 48020), (686, 45150), (700, 44247), (735, 42140), (860, 36015), (903, 34300), (980, 31605), (1029, 30100), (1050, 29498), (1075, 28812), (1204, 25725), (1225, 25284), (1290, 24010), (1372, 22575), (1470, 21070), (1505, 20580), (1715, 18060), (1806, 17150), (2058, 15050), (2100, 14749), (2107, 14700), (2150, 14406), (2401, 12900), (2450, 12642), (2580, 12005), (2940, 10535), (3010, 10290), (3225, 9604), (3430, 9030), (3612, 8575), (3675, 8428), (4116, 7525), (4214, 7350), (4300, 7203), (4515, 6860), (4802, 6450), (4900, 6321), (5145, 6020)]