30837940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 78994944

約数和(自身を除く): 48157004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 61, 70, 92, 115, 122, 140, 157, 161, 230, 244, 305, 314, 322, 427, 460, 610, 628, 644, 785, 805, 854, 1099, 1220, 1403, 1570, 1610, 1708, 2135, 2198, 2806, 3140, 3220, 3611, 4270, 4396, 5495, 5612, 7015, 7222, 8540, 9577, 9821, 10990, 14030, 14444, 18055, 19154, 19642, 21980, 25277, 28060, 36110, 38308, 39284, 47885, 49105, 50554, 67039, 72220, 95770, 98210, 101108, 126385, 134078, 191540, 196420, 220271, 252770, 268156, 335195, 440542, 505540, 670390, 881084, 1101355, 1340780, 1541897, 2202710, 3083794, 4405420, 6167588, 7709485, 15418970, 30837940]

約数ペア:

[(1, 30837940), (2, 15418970), (4, 7709485), (5, 6167588), (7, 4405420), (10, 3083794), (14, 2202710), (20, 1541897), (23, 1340780), (28, 1101355), (35, 881084), (46, 670390), (61, 505540), (70, 440542), (92, 335195), (115, 268156), (122, 252770), (140, 220271), (157, 196420), (161, 191540), (230, 134078), (244, 126385), (305, 101108), (314, 98210), (322, 95770), (427, 72220), (460, 67039), (610, 50554), (628, 49105), (644, 47885), (785, 39284), (805, 38308), (854, 36110), (1099, 28060), (1220, 25277), (1403, 21980), (1570, 19642), (1610, 19154), (1708, 18055), (2135, 14444), (2198, 14030), (2806, 10990), (3140, 9821), (3220, 9577), (3611, 8540), (4270, 7222), (4396, 7015), (5495, 5612)]