28432890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 81100800

約数和(自身を除く): 52667910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 43, 45, 54, 62, 79, 86, 90, 93, 129, 135, 155, 158, 186, 215, 237, 258, 270, 279, 310, 387, 395, 430, 465, 474, 558, 645, 711, 774, 790, 837, 930, 1161, 1185, 1290, 1333, 1395, 1422, 1674, 1935, 2133, 2322, 2370, 2449, 2666, 2790, 3397, 3555, 3870, 3999, 4185, 4266, 4898, 5805, 6665, 6794, 7110, 7347, 7998, 8370, 10191, 10665, 11610, 11997, 12245, 13330, 14694, 16985, 19995, 20382, 21330, 22041, 23994, 24490, 30573, 33970, 35991, 36735, 39990, 44082, 50955, 59985, 61146, 66123, 71982, 73470, 91719, 101910, 105307, 110205, 119970, 132246, 152865, 179955, 183438, 210614, 220410, 305730, 315921, 330615, 359910, 458595, 526535, 631842, 661230, 917190, 947763, 1053070, 1579605, 1895526, 2843289, 3159210, 4738815, 5686578, 9477630, 14216445, 28432890]

約数ペア:

[(1, 28432890), (2, 14216445), (3, 9477630), (5, 5686578), (6, 4738815), (9, 3159210), (10, 2843289), (15, 1895526), (18, 1579605), (27, 1053070), (30, 947763), (31, 917190), (43, 661230), (45, 631842), (54, 526535), (62, 458595), (79, 359910), (86, 330615), (90, 315921), (93, 305730), (129, 220410), (135, 210614), (155, 183438), (158, 179955), (186, 152865), (215, 132246), (237, 119970), (258, 110205), (270, 105307), (279, 101910), (310, 91719), (387, 73470), (395, 71982), (430, 66123), (465, 61146), (474, 59985), (558, 50955), (645, 44082), (711, 39990), (774, 36735), (790, 35991), (837, 33970), (930, 30573), (1161, 24490), (1185, 23994), (1290, 22041), (1333, 21330), (1395, 20382), (1422, 19995), (1674, 16985), (1935, 14694), (2133, 13330), (2322, 12245), (2370, 11997), (2449, 11610), (2666, 10665), (2790, 10191), (3397, 8370), (3555, 7998), (3870, 7347), (3999, 7110), (4185, 6794), (4266, 6665), (4898, 5805)]