1545040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 80

約数和(自身を含む): 4285440

約数和(自身を除く): 2740400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 89, 112, 124, 140, 155, 178, 217, 248, 280, 310, 356, 434, 445, 496, 560, 620, 623, 712, 868, 890, 1085, 1240, 1246, 1424, 1736, 1780, 2170, 2480, 2492, 2759, 3115, 3472, 3560, 4340, 4984, 5518, 6230, 7120, 8680, 9968, 11036, 12460, 13795, 17360, 19313, 22072, 24920, 27590, 38626, 44144, 49840, 55180, 77252, 96565, 110360, 154504, 193130, 220720, 309008, 386260, 772520, 1545040]

約数ペア:

[(1, 1545040), (2, 772520), (4, 386260), (5, 309008), (7, 220720), (8, 193130), (10, 154504), (14, 110360), (16, 96565), (20, 77252), (28, 55180), (31, 49840), (35, 44144), (40, 38626), (56, 27590), (62, 24920), (70, 22072), (80, 19313), (89, 17360), (112, 13795), (124, 12460), (140, 11036), (155, 9968), (178, 8680), (217, 7120), (248, 6230), (280, 5518), (310, 4984), (356, 4340), (434, 3560), (445, 3472), (496, 3115), (560, 2759), (620, 2492), (623, 2480), (712, 2170), (868, 1780), (890, 1736), (1085, 1424), (1240, 1246)]