61699820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 168920640

約数和(自身を除く): 107220820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 49, 52, 58, 65, 70, 91, 98, 116, 130, 140, 145, 167, 182, 196, 203, 245, 260, 290, 334, 364, 377, 406, 455, 490, 580, 637, 668, 754, 812, 835, 910, 980, 1015, 1169, 1274, 1421, 1508, 1670, 1820, 1885, 2030, 2171, 2338, 2548, 2639, 2842, 3185, 3340, 3770, 4060, 4342, 4676, 4843, 5278, 5684, 5845, 6370, 7105, 7540, 8183, 8684, 9686, 10556, 10855, 11690, 12740, 13195, 14210, 15197, 16366, 18473, 19372, 21710, 23380, 24215, 26390, 28420, 30394, 32732, 33901, 36946, 40915, 43420, 48430, 52780, 60788, 62959, 67802, 73892, 75985, 81830, 92365, 96860, 106379, 125918, 135604, 151970, 163660, 169505, 184730, 212758, 237307, 251836, 303940, 314795, 339010, 369460, 425516, 440713, 474614, 531895, 629590, 678020, 881426, 949228, 1063790, 1186535, 1259180, 1762852, 2127580, 2203565, 2373070, 3084991, 4407130, 4746140, 6169982, 8814260, 12339964, 15424955, 30849910, 61699820]

約数ペア:

[(1, 61699820), (2, 30849910), (4, 15424955), (5, 12339964), (7, 8814260), (10, 6169982), (13, 4746140), (14, 4407130), (20, 3084991), (26, 2373070), (28, 2203565), (29, 2127580), (35, 1762852), (49, 1259180), (52, 1186535), (58, 1063790), (65, 949228), (70, 881426), (91, 678020), (98, 629590), (116, 531895), (130, 474614), (140, 440713), (145, 425516), (167, 369460), (182, 339010), (196, 314795), (203, 303940), (245, 251836), (260, 237307), (290, 212758), (334, 184730), (364, 169505), (377, 163660), (406, 151970), (455, 135604), (490, 125918), (580, 106379), (637, 96860), (668, 92365), (754, 81830), (812, 75985), (835, 73892), (910, 67802), (980, 62959), (1015, 60788), (1169, 52780), (1274, 48430), (1421, 43420), (1508, 40915), (1670, 36946), (1820, 33901), (1885, 32732), (2030, 30394), (2171, 28420), (2338, 26390), (2548, 24215), (2639, 23380), (2842, 21710), (3185, 19372), (3340, 18473), (3770, 16366), (4060, 15197), (4342, 14210), (4676, 13195), (4843, 12740), (5278, 11690), (5684, 10855), (5845, 10556), (6370, 9686), (7105, 8684), (7540, 8183)]