28517580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1741}}^1$

素因数の和:1776

約数の個数: 144

約数和(自身を含む): 106526784

約数和(自身を除く): 78009204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1741, 1820, 2340, 2730, 3276, 3482, 4095, 5223, 5460, 6964, 8190, 8705, 10446, 12187, 15669, 16380, 17410, 20892, 22633, 24374, 26115, 31338, 34820, 36561, 45266, 48748, 52230, 60935, 62676, 67899, 73122, 78345, 90532, 104460, 109683, 113165, 121870, 135798, 146244, 156690, 158431, 182805, 203697, 219366, 226330, 243740, 271596, 313380, 316862, 339495, 365610, 407394, 438732, 452660, 475293, 548415, 633724, 678990, 731220, 792155, 814788, 950586, 1018485, 1096830, 1357980, 1425879, 1584310, 1901172, 2036970, 2193660, 2376465, 2851758, 3168620, 4073940, 4752930, 5703516, 7129395, 9505860, 14258790, 28517580]

約数ペア:

[(1, 28517580), (2, 14258790), (3, 9505860), (4, 7129395), (5, 5703516), (6, 4752930), (7, 4073940), (9, 3168620), (10, 2851758), (12, 2376465), (13, 2193660), (14, 2036970), (15, 1901172), (18, 1584310), (20, 1425879), (21, 1357980), (26, 1096830), (28, 1018485), (30, 950586), (35, 814788), (36, 792155), (39, 731220), (42, 678990), (45, 633724), (52, 548415), (60, 475293), (63, 452660), (65, 438732), (70, 407394), (78, 365610), (84, 339495), (90, 316862), (91, 313380), (105, 271596), (117, 243740), (126, 226330), (130, 219366), (140, 203697), (156, 182805), (180, 158431), (182, 156690), (195, 146244), (210, 135798), (234, 121870), (252, 113165), (260, 109683), (273, 104460), (315, 90532), (364, 78345), (390, 73122), (420, 67899), (455, 62676), (468, 60935), (546, 52230), (585, 48748), (630, 45266), (780, 36561), (819, 34820), (910, 31338), (1092, 26115), (1170, 24374), (1260, 22633), (1365, 20892), (1638, 17410), (1741, 16380), (1820, 15669), (2340, 12187), (2730, 10446), (3276, 8705), (3482, 8190), (4095, 6964), (5223, 5460)]