28001580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 83026944

約数和(自身を除く): 55025364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 103, 115, 138, 197, 206, 230, 276, 309, 345, 394, 412, 460, 515, 591, 618, 690, 788, 985, 1030, 1182, 1236, 1380, 1545, 1970, 2060, 2364, 2369, 2955, 3090, 3940, 4531, 4738, 5910, 6180, 7107, 9062, 9476, 11820, 11845, 13593, 14214, 18124, 20291, 22655, 23690, 27186, 28428, 35535, 40582, 45310, 47380, 54372, 60873, 67965, 71070, 81164, 90620, 101455, 121746, 135930, 142140, 202910, 243492, 271860, 304365, 405820, 466693, 608730, 933386, 1217460, 1400079, 1866772, 2333465, 2800158, 4666930, 5600316, 7000395, 9333860, 14000790, 28001580]

約数ペア:

[(1, 28001580), (2, 14000790), (3, 9333860), (4, 7000395), (5, 5600316), (6, 4666930), (10, 2800158), (12, 2333465), (15, 1866772), (20, 1400079), (23, 1217460), (30, 933386), (46, 608730), (60, 466693), (69, 405820), (92, 304365), (103, 271860), (115, 243492), (138, 202910), (197, 142140), (206, 135930), (230, 121746), (276, 101455), (309, 90620), (345, 81164), (394, 71070), (412, 67965), (460, 60873), (515, 54372), (591, 47380), (618, 45310), (690, 40582), (788, 35535), (985, 28428), (1030, 27186), (1182, 23690), (1236, 22655), (1380, 20291), (1545, 18124), (1970, 14214), (2060, 13593), (2364, 11845), (2369, 11820), (2955, 9476), (3090, 9062), (3940, 7107), (4531, 6180), (4738, 5910)]