287815360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{128489}}^1$

素因数の和:128513

約数の個数: 56

約数和(自身を含む): 783275040

約数和(自身を除く): 495459680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 128489, 256978, 513956, 642445, 899423, 1027912, 1284890, 1798846, 2055824, 2569780, 3597692, 4111648, 4497115, 5139560, 7195384, 8223296, 8994230, 10279120, 14390768, 17988460, 20558240, 28781536, 35976920, 41116480, 57563072, 71953840, 143907680, 287815360]

約数ペア:

[(1, 287815360), (2, 143907680), (4, 71953840), (5, 57563072), (7, 41116480), (8, 35976920), (10, 28781536), (14, 20558240), (16, 17988460), (20, 14390768), (28, 10279120), (32, 8994230), (35, 8223296), (40, 7195384), (56, 5139560), (64, 4497115), (70, 4111648), (80, 3597692), (112, 2569780), (140, 2055824), (160, 1798846), (224, 1284890), (280, 1027912), (320, 899423), (448, 642445), (560, 513956), (1120, 256978), (2240, 128489)]