71482240

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1831}}^1$

素因数の和:1911

約数の個数: 64

約数和(自身を含む): 173783520

約数和(自身を除く): 102301280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1831, 1952, 2440, 3662, 3904, 4880, 7324, 7808, 9155, 9760, 14648, 18310, 19520, 29296, 36620, 39040, 58592, 73240, 111691, 117184, 146480, 223382, 234368, 292960, 446764, 558455, 585920, 893528, 1116910, 1171840, 1787056, 2233820, 3574112, 4467640, 7148224, 8935280, 14296448, 17870560, 35741120, 71482240]

約数ペア:

[(1, 71482240), (2, 35741120), (4, 17870560), (5, 14296448), (8, 8935280), (10, 7148224), (16, 4467640), (20, 3574112), (32, 2233820), (40, 1787056), (61, 1171840), (64, 1116910), (80, 893528), (122, 585920), (128, 558455), (160, 446764), (244, 292960), (305, 234368), (320, 223382), (488, 146480), (610, 117184), (640, 111691), (976, 73240), (1220, 58592), (1831, 39040), (1952, 36620), (2440, 29296), (3662, 19520), (3904, 18310), (4880, 14648), (7324, 9760), (7808, 9155)]