1620204770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{787}}^1$

素因数の和:1083

約数の個数: 64

約数和(自身を含む): 3131827200

約数和(自身を除く): 1511622430

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 229, 290, 310, 458, 787, 899, 1145, 1574, 1798, 2290, 3935, 4495, 6641, 7099, 7870, 8990, 13282, 14198, 22823, 24397, 33205, 35495, 45646, 48794, 66410, 70990, 114115, 121985, 180223, 205871, 228230, 243970, 360446, 411742, 707513, 901115, 1029355, 1415026, 1802230, 2058710, 3537565, 5226467, 5586913, 7075130, 10452934, 11173826, 26132335, 27934565, 52264670, 55869130, 162020477, 324040954, 810102385, 1620204770]

約数ペア:

[(1, 1620204770), (2, 810102385), (5, 324040954), (10, 162020477), (29, 55869130), (31, 52264670), (58, 27934565), (62, 26132335), (145, 11173826), (155, 10452934), (229, 7075130), (290, 5586913), (310, 5226467), (458, 3537565), (787, 2058710), (899, 1802230), (1145, 1415026), (1574, 1029355), (1798, 901115), (2290, 707513), (3935, 411742), (4495, 360446), (6641, 243970), (7099, 228230), (7870, 205871), (8990, 180223), (13282, 121985), (14198, 114115), (22823, 70990), (24397, 66410), (33205, 48794), (35495, 45646)]