27793980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 92461824

約数和(自身を除く): 64667844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 293, 306, 310, 340, 372, 465, 510, 527, 558, 586, 612, 620, 765, 879, 930, 1020, 1054, 1116, 1172, 1395, 1465, 1530, 1581, 1758, 1860, 2108, 2635, 2637, 2790, 2930, 3060, 3162, 3516, 4395, 4743, 4981, 5270, 5274, 5580, 5860, 6324, 7905, 8790, 9083, 9486, 9962, 10540, 10548, 13185, 14943, 15810, 17580, 18166, 18972, 19924, 23715, 24905, 26370, 27249, 29886, 31620, 36332, 44829, 45415, 47430, 49810, 52740, 54498, 59772, 74715, 81747, 89658, 90830, 94860, 99620, 108996, 136245, 149430, 154411, 163494, 179316, 181660, 224145, 272490, 298860, 308822, 326988, 408735, 448290, 463233, 544980, 617644, 772055, 817470, 896580, 926466, 1389699, 1544110, 1634940, 1852932, 2316165, 2779398, 3088220, 4632330, 5558796, 6948495, 9264660, 13896990, 27793980]

約数ペア:

[(1, 27793980), (2, 13896990), (3, 9264660), (4, 6948495), (5, 5558796), (6, 4632330), (9, 3088220), (10, 2779398), (12, 2316165), (15, 1852932), (17, 1634940), (18, 1544110), (20, 1389699), (30, 926466), (31, 896580), (34, 817470), (36, 772055), (45, 617644), (51, 544980), (60, 463233), (62, 448290), (68, 408735), (85, 326988), (90, 308822), (93, 298860), (102, 272490), (124, 224145), (153, 181660), (155, 179316), (170, 163494), (180, 154411), (186, 149430), (204, 136245), (255, 108996), (279, 99620), (293, 94860), (306, 90830), (310, 89658), (340, 81747), (372, 74715), (465, 59772), (510, 54498), (527, 52740), (558, 49810), (586, 47430), (612, 45415), (620, 44829), (765, 36332), (879, 31620), (930, 29886), (1020, 27249), (1054, 26370), (1116, 24905), (1172, 23715), (1395, 19924), (1465, 18972), (1530, 18166), (1581, 17580), (1758, 15810), (1860, 14943), (2108, 13185), (2635, 10548), (2637, 10540), (2790, 9962), (2930, 9486), (3060, 9083), (3162, 8790), (3516, 7905), (4395, 6324), (4743, 5860), (4981, 5580), (5270, 5274)]