215523750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{4421}}^1$

素因数の和:4459

約数の個数: 80

約数和(自身を含む): 580201776

約数和(自身を除く): 364678026

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 625, 650, 750, 975, 1250, 1625, 1875, 1950, 3250, 3750, 4421, 4875, 8125, 8842, 9750, 13263, 16250, 22105, 24375, 26526, 44210, 48750, 57473, 66315, 110525, 114946, 132630, 172419, 221050, 287365, 331575, 344838, 552625, 574730, 663150, 862095, 1105250, 1436825, 1657875, 1724190, 2763125, 2873650, 3315750, 4310475, 5526250, 7184125, 8289375, 8620950, 14368250, 16578750, 21552375, 35920625, 43104750, 71841250, 107761875, 215523750]

約数ペア:

[(1, 215523750), (2, 107761875), (3, 71841250), (5, 43104750), (6, 35920625), (10, 21552375), (13, 16578750), (15, 14368250), (25, 8620950), (26, 8289375), (30, 7184125), (39, 5526250), (50, 4310475), (65, 3315750), (75, 2873650), (78, 2763125), (125, 1724190), (130, 1657875), (150, 1436825), (195, 1105250), (250, 862095), (325, 663150), (375, 574730), (390, 552625), (625, 344838), (650, 331575), (750, 287365), (975, 221050), (1250, 172419), (1625, 132630), (1875, 114946), (1950, 110525), (3250, 66315), (3750, 57473), (4421, 48750), (4875, 44210), (8125, 26526), (8842, 24375), (9750, 22105), (13263, 16250)]