28652520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18367}}^1$

素因数の和:18394

約数の個数: 64

約数和(自身を含む): 92574720

約数和(自身を除く): 63922200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18367, 36734, 55101, 73468, 91835, 110202, 146936, 183670, 220404, 238771, 275505, 367340, 440808, 477542, 551010, 716313, 734680, 955084, 1102020, 1193855, 1432626, 1910168, 2204040, 2387710, 2865252, 3581565, 4775420, 5730504, 7163130, 9550840, 14326260, 28652520]

約数ペア:

[(1, 28652520), (2, 14326260), (3, 9550840), (4, 7163130), (5, 5730504), (6, 4775420), (8, 3581565), (10, 2865252), (12, 2387710), (13, 2204040), (15, 1910168), (20, 1432626), (24, 1193855), (26, 1102020), (30, 955084), (39, 734680), (40, 716313), (52, 551010), (60, 477542), (65, 440808), (78, 367340), (104, 275505), (120, 238771), (130, 220404), (156, 183670), (195, 146936), (260, 110202), (312, 91835), (390, 73468), (520, 55101), (780, 36734), (1560, 18367)]