79907880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:491

約数の個数: 128

約数和(自身を含む): 260507520

約数和(自身を除く): 180599640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 181, 195, 260, 283, 312, 362, 390, 520, 543, 566, 724, 780, 849, 905, 1086, 1132, 1415, 1448, 1560, 1698, 1810, 2172, 2264, 2353, 2715, 2830, 3396, 3620, 3679, 4245, 4344, 4706, 5430, 5660, 6792, 7059, 7240, 7358, 8490, 9412, 10860, 11037, 11320, 11765, 14118, 14716, 16980, 18395, 18824, 21720, 22074, 23530, 28236, 29432, 33960, 35295, 36790, 44148, 47060, 51223, 55185, 56472, 70590, 73580, 88296, 94120, 102446, 110370, 141180, 147160, 153669, 204892, 220740, 256115, 282360, 307338, 409784, 441480, 512230, 614676, 665899, 768345, 1024460, 1229352, 1331798, 1536690, 1997697, 2048920, 2663596, 3073380, 3329495, 3995394, 5327192, 6146760, 6658990, 7990788, 9988485, 13317980, 15981576, 19976970, 26635960, 39953940, 79907880]

約数ペア:

[(1, 79907880), (2, 39953940), (3, 26635960), (4, 19976970), (5, 15981576), (6, 13317980), (8, 9988485), (10, 7990788), (12, 6658990), (13, 6146760), (15, 5327192), (20, 3995394), (24, 3329495), (26, 3073380), (30, 2663596), (39, 2048920), (40, 1997697), (52, 1536690), (60, 1331798), (65, 1229352), (78, 1024460), (104, 768345), (120, 665899), (130, 614676), (156, 512230), (181, 441480), (195, 409784), (260, 307338), (283, 282360), (312, 256115), (362, 220740), (390, 204892), (520, 153669), (543, 147160), (566, 141180), (724, 110370), (780, 102446), (849, 94120), (905, 88296), (1086, 73580), (1132, 70590), (1415, 56472), (1448, 55185), (1560, 51223), (1698, 47060), (1810, 44148), (2172, 36790), (2264, 35295), (2353, 33960), (2715, 29432), (2830, 28236), (3396, 23530), (3620, 22074), (3679, 21720), (4245, 18824), (4344, 18395), (4706, 16980), (5430, 14716), (5660, 14118), (6792, 11765), (7059, 11320), (7240, 11037), (7358, 10860), (8490, 9412)]