177840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:51

約数の個数: 120

約数和(自身を含む): 677040

約数和(自身を除く): 499200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1368, 1482, 1520, 1560, 1710, 1872, 1976, 2223, 2280, 2340, 2470, 2736, 2964, 3120, 3420, 3705, 3952, 4446, 4560, 4680, 4940, 5928, 6840, 7410, 8892, 9360, 9880, 11115, 11856, 13680, 14820, 17784, 19760, 22230, 29640, 35568, 44460, 59280, 88920, 177840]

約数ペア:

[(1, 177840), (2, 88920), (3, 59280), (4, 44460), (5, 35568), (6, 29640), (8, 22230), (9, 19760), (10, 17784), (12, 14820), (13, 13680), (15, 11856), (16, 11115), (18, 9880), (19, 9360), (20, 8892), (24, 7410), (26, 6840), (30, 5928), (36, 4940), (38, 4680), (39, 4560), (40, 4446), (45, 3952), (48, 3705), (52, 3420), (57, 3120), (60, 2964), (65, 2736), (72, 2470), (76, 2340), (78, 2280), (80, 2223), (90, 1976), (95, 1872), (104, 1710), (114, 1560), (117, 1520), (120, 1482), (130, 1368), (144, 1235), (152, 1170), (156, 1140), (171, 1040), (180, 988), (190, 936), (195, 912), (208, 855), (228, 780), (234, 760), (240, 741), (247, 720), (260, 684), (285, 624), (304, 585), (312, 570), (342, 520), (360, 494), (380, 468), (390, 456)]