78146280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^2$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 271315980

約数和(自身を除く): 193169700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 113, 120, 136, 153, 170, 180, 204, 226, 255, 306, 339, 340, 360, 408, 452, 510, 565, 612, 678, 680, 765, 904, 1017, 1020, 1130, 1224, 1356, 1530, 1695, 1921, 2034, 2040, 2260, 2712, 3060, 3390, 3842, 4068, 4520, 5085, 5763, 6120, 6780, 7684, 8136, 9605, 10170, 11526, 12769, 13560, 15368, 17289, 19210, 20340, 23052, 25538, 28815, 34578, 38307, 38420, 40680, 46104, 51076, 57630, 63845, 69156, 76614, 76840, 86445, 102152, 114921, 115260, 127690, 138312, 153228, 172890, 191535, 217073, 229842, 230520, 255380, 306456, 345780, 383070, 434146, 459684, 510760, 574605, 651219, 691560, 766140, 868292, 919368, 1085365, 1149210, 1302438, 1532280, 1736584, 1953657, 2170730, 2298420, 2604876, 3256095, 3907314, 4341460, 4596840, 5209752, 6512190, 7814628, 8682920, 9768285, 13024380, 15629256, 19536570, 26048760, 39073140, 78146280]

約数ペア:

[(1, 78146280), (2, 39073140), (3, 26048760), (4, 19536570), (5, 15629256), (6, 13024380), (8, 9768285), (9, 8682920), (10, 7814628), (12, 6512190), (15, 5209752), (17, 4596840), (18, 4341460), (20, 3907314), (24, 3256095), (30, 2604876), (34, 2298420), (36, 2170730), (40, 1953657), (45, 1736584), (51, 1532280), (60, 1302438), (68, 1149210), (72, 1085365), (85, 919368), (90, 868292), (102, 766140), (113, 691560), (120, 651219), (136, 574605), (153, 510760), (170, 459684), (180, 434146), (204, 383070), (226, 345780), (255, 306456), (306, 255380), (339, 230520), (340, 229842), (360, 217073), (408, 191535), (452, 172890), (510, 153228), (565, 138312), (612, 127690), (678, 115260), (680, 114921), (765, 102152), (904, 86445), (1017, 76840), (1020, 76614), (1130, 69156), (1224, 63845), (1356, 57630), (1530, 51076), (1695, 46104), (1921, 40680), (2034, 38420), (2040, 38307), (2260, 34578), (2712, 28815), (3060, 25538), (3390, 23052), (3842, 20340), (4068, 19210), (4520, 17289), (5085, 15368), (5763, 13560), (6120, 12769), (6780, 11526), (7684, 10170), (8136, 9605)]