78442880

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^2$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 198398160

約数和(自身を除く): 119955280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 73, 80, 92, 115, 128, 146, 160, 184, 230, 292, 320, 365, 368, 460, 584, 640, 730, 736, 920, 1168, 1460, 1472, 1679, 1840, 2336, 2920, 2944, 3358, 3680, 4672, 5329, 5840, 6716, 7360, 8395, 9344, 10658, 11680, 13432, 14720, 16790, 21316, 23360, 26645, 26864, 33580, 42632, 46720, 53290, 53728, 67160, 85264, 106580, 107456, 122567, 134320, 170528, 213160, 214912, 245134, 268640, 341056, 426320, 490268, 537280, 612835, 682112, 852640, 980536, 1074560, 1225670, 1705280, 1961072, 2451340, 3410560, 3922144, 4902680, 7844288, 9805360, 15688576, 19610720, 39221440, 78442880]

約数ペア:

[(1, 78442880), (2, 39221440), (4, 19610720), (5, 15688576), (8, 9805360), (10, 7844288), (16, 4902680), (20, 3922144), (23, 3410560), (32, 2451340), (40, 1961072), (46, 1705280), (64, 1225670), (73, 1074560), (80, 980536), (92, 852640), (115, 682112), (128, 612835), (146, 537280), (160, 490268), (184, 426320), (230, 341056), (292, 268640), (320, 245134), (365, 214912), (368, 213160), (460, 170528), (584, 134320), (640, 122567), (730, 107456), (736, 106580), (920, 85264), (1168, 67160), (1460, 53728), (1472, 53290), (1679, 46720), (1840, 42632), (2336, 33580), (2920, 26864), (2944, 26645), (3358, 23360), (3680, 21316), (4672, 16790), (5329, 14720), (5840, 13432), (6716, 11680), (7360, 10658), (8395, 9344)]