78077840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1720

約数の個数: 80

約数和(自身を含む): 197368320

約数和(自身を除く): 119290480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 1657, 2356, 2480, 2945, 3314, 4712, 5890, 6628, 8285, 9424, 11780, 13256, 16570, 23560, 26512, 31483, 33140, 47120, 51367, 62966, 66280, 102734, 125932, 132560, 157415, 205468, 251864, 256835, 314830, 410936, 503728, 513670, 629660, 821872, 975973, 1027340, 1259320, 1951946, 2054680, 2518640, 3903892, 4109360, 4879865, 7807784, 9759730, 15615568, 19519460, 39038920, 78077840]

約数ペア:

[(1, 78077840), (2, 39038920), (4, 19519460), (5, 15615568), (8, 9759730), (10, 7807784), (16, 4879865), (19, 4109360), (20, 3903892), (31, 2518640), (38, 2054680), (40, 1951946), (62, 1259320), (76, 1027340), (80, 975973), (95, 821872), (124, 629660), (152, 513670), (155, 503728), (190, 410936), (248, 314830), (304, 256835), (310, 251864), (380, 205468), (496, 157415), (589, 132560), (620, 125932), (760, 102734), (1178, 66280), (1240, 62966), (1520, 51367), (1657, 47120), (2356, 33140), (2480, 31483), (2945, 26512), (3314, 23560), (4712, 16570), (5890, 13256), (6628, 11780), (8285, 9424)]