91622360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2076

約数の個数: 64

約数和(自身を含む): 218661120

約数和(自身を除く): 127038760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 1997, 2294, 3994, 4588, 5735, 7988, 9176, 9985, 11470, 15976, 19970, 22940, 39940, 45880, 61907, 73889, 79880, 123814, 147778, 247628, 295556, 309535, 369445, 495256, 591112, 619070, 738890, 1238140, 1477780, 2290559, 2476280, 2955560, 4581118, 9162236, 11452795, 18324472, 22905590, 45811180, 91622360]

約数ペア:

[(1, 91622360), (2, 45811180), (4, 22905590), (5, 18324472), (8, 11452795), (10, 9162236), (20, 4581118), (31, 2955560), (37, 2476280), (40, 2290559), (62, 1477780), (74, 1238140), (124, 738890), (148, 619070), (155, 591112), (185, 495256), (248, 369445), (296, 309535), (310, 295556), (370, 247628), (620, 147778), (740, 123814), (1147, 79880), (1240, 73889), (1480, 61907), (1997, 45880), (2294, 39940), (3994, 22940), (4588, 19970), (5735, 15976), (7988, 11470), (9176, 9985)]