91867880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 237081600

約数和(自身を除く): 145213720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 41, 52, 62, 65, 82, 104, 124, 130, 139, 155, 164, 205, 248, 260, 278, 310, 328, 403, 410, 520, 533, 556, 620, 695, 806, 820, 1066, 1112, 1240, 1271, 1390, 1612, 1640, 1807, 2015, 2132, 2542, 2665, 2780, 3224, 3614, 4030, 4264, 4309, 5084, 5330, 5560, 5699, 6355, 7228, 8060, 8618, 9035, 10168, 10660, 11398, 12710, 14456, 16120, 16523, 17236, 18070, 21320, 21545, 22796, 25420, 28495, 33046, 34472, 36140, 43090, 45592, 50840, 56017, 56990, 66092, 72280, 74087, 82615, 86180, 112034, 113980, 132184, 148174, 165230, 172360, 176669, 224068, 227960, 280085, 296348, 330460, 353338, 370435, 448136, 560170, 592696, 660920, 706676, 740870, 883345, 1120340, 1413352, 1481740, 1766690, 2240680, 2296697, 2963480, 3533380, 4593394, 7066760, 9186788, 11483485, 18373576, 22966970, 45933940, 91867880]

約数ペア:

[(1, 91867880), (2, 45933940), (4, 22966970), (5, 18373576), (8, 11483485), (10, 9186788), (13, 7066760), (20, 4593394), (26, 3533380), (31, 2963480), (40, 2296697), (41, 2240680), (52, 1766690), (62, 1481740), (65, 1413352), (82, 1120340), (104, 883345), (124, 740870), (130, 706676), (139, 660920), (155, 592696), (164, 560170), (205, 448136), (248, 370435), (260, 353338), (278, 330460), (310, 296348), (328, 280085), (403, 227960), (410, 224068), (520, 176669), (533, 172360), (556, 165230), (620, 148174), (695, 132184), (806, 113980), (820, 112034), (1066, 86180), (1112, 82615), (1240, 74087), (1271, 72280), (1390, 66092), (1612, 56990), (1640, 56017), (1807, 50840), (2015, 45592), (2132, 43090), (2542, 36140), (2665, 34472), (2780, 33046), (3224, 28495), (3614, 25420), (4030, 22796), (4264, 21545), (4309, 21320), (5084, 18070), (5330, 17236), (5560, 16523), (5699, 16120), (6355, 14456), (7228, 12710), (8060, 11398), (8618, 10660), (9035, 10168)]