28338960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:353

約数の個数: 160

約数和(自身を含む): 97993728

約数和(自身を除く): 69654768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 186, 195, 208, 240, 248, 260, 293, 310, 312, 372, 390, 403, 465, 496, 520, 586, 620, 624, 744, 780, 806, 879, 930, 1040, 1172, 1209, 1240, 1465, 1488, 1560, 1612, 1758, 1860, 2015, 2344, 2418, 2480, 2930, 3120, 3224, 3516, 3720, 3809, 4030, 4395, 4688, 4836, 5860, 6045, 6448, 7032, 7440, 7618, 8060, 8790, 9083, 9672, 11427, 11720, 12090, 14064, 15236, 16120, 17580, 18166, 19045, 19344, 22854, 23440, 24180, 27249, 30472, 32240, 35160, 36332, 38090, 45415, 45708, 48360, 54498, 57135, 60944, 70320, 72664, 76180, 90830, 91416, 96720, 108996, 114270, 118079, 136245, 145328, 152360, 181660, 182832, 217992, 228540, 236158, 272490, 304720, 354237, 363320, 435984, 457080, 472316, 544980, 590395, 708474, 726640, 914160, 944632, 1089960, 1180790, 1416948, 1771185, 1889264, 2179920, 2361580, 2833896, 3542370, 4723160, 5667792, 7084740, 9446320, 14169480, 28338960]

約数ペア:

[(1, 28338960), (2, 14169480), (3, 9446320), (4, 7084740), (5, 5667792), (6, 4723160), (8, 3542370), (10, 2833896), (12, 2361580), (13, 2179920), (15, 1889264), (16, 1771185), (20, 1416948), (24, 1180790), (26, 1089960), (30, 944632), (31, 914160), (39, 726640), (40, 708474), (48, 590395), (52, 544980), (60, 472316), (62, 457080), (65, 435984), (78, 363320), (80, 354237), (93, 304720), (104, 272490), (120, 236158), (124, 228540), (130, 217992), (155, 182832), (156, 181660), (186, 152360), (195, 145328), (208, 136245), (240, 118079), (248, 114270), (260, 108996), (293, 96720), (310, 91416), (312, 90830), (372, 76180), (390, 72664), (403, 70320), (465, 60944), (496, 57135), (520, 54498), (586, 48360), (620, 45708), (624, 45415), (744, 38090), (780, 36332), (806, 35160), (879, 32240), (930, 30472), (1040, 27249), (1172, 24180), (1209, 23440), (1240, 22854), (1465, 19344), (1488, 19045), (1560, 18166), (1612, 17580), (1758, 16120), (1860, 15236), (2015, 14064), (2344, 12090), (2418, 11720), (2480, 11427), (2930, 9672), (3120, 9083), (3224, 8790), (3516, 8060), (3720, 7618), (3809, 7440), (4030, 7032), (4395, 6448), (4688, 6045), (4836, 5860)]