815684220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{348583}}^1$

素因数の和:348611

約数の個数: 72

約数和(自身を含む): 2664576096

約数和(自身を除く): 1848891876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 348583, 697166, 1045749, 1394332, 1742915, 2091498, 3137247, 3485830, 4182996, 4531579, 5228745, 6274494, 6971660, 9063158, 10457490, 12548988, 13594737, 15686235, 18126316, 20914980, 22657895, 27189474, 31372470, 40784211, 45315790, 54378948, 62744940, 67973685, 81568422, 90631580, 135947370, 163136844, 203921055, 271894740, 407842110, 815684220]

約数ペア:

[(1, 815684220), (2, 407842110), (3, 271894740), (4, 203921055), (5, 163136844), (6, 135947370), (9, 90631580), (10, 81568422), (12, 67973685), (13, 62744940), (15, 54378948), (18, 45315790), (20, 40784211), (26, 31372470), (30, 27189474), (36, 22657895), (39, 20914980), (45, 18126316), (52, 15686235), (60, 13594737), (65, 12548988), (78, 10457490), (90, 9063158), (117, 6971660), (130, 6274494), (156, 5228745), (180, 4531579), (195, 4182996), (234, 3485830), (260, 3137247), (390, 2091498), (468, 1742915), (585, 1394332), (780, 1045749), (1170, 697166), (2340, 348583)]