178822260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:558

約数の個数: 144

約数和(自身を含む): 568888320

約数和(自身を除く): 390066060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 73, 90, 93, 124, 146, 155, 180, 186, 219, 279, 292, 310, 365, 372, 438, 439, 465, 558, 620, 657, 730, 876, 878, 930, 1095, 1116, 1314, 1317, 1395, 1460, 1756, 1860, 2190, 2195, 2263, 2628, 2634, 2790, 3285, 3951, 4380, 4390, 4526, 5268, 5580, 6570, 6585, 6789, 7902, 8780, 9052, 11315, 13140, 13170, 13578, 13609, 15804, 19755, 20367, 22630, 26340, 27156, 27218, 32047, 33945, 39510, 40734, 40827, 45260, 54436, 64094, 67890, 68045, 79020, 81468, 81654, 96141, 101835, 122481, 128188, 135780, 136090, 160235, 163308, 192282, 203670, 204135, 244962, 272180, 288423, 320470, 384564, 407340, 408270, 480705, 489924, 576846, 612405, 640940, 816540, 961410, 993457, 1153692, 1224810, 1442115, 1922820, 1986914, 2449620, 2884230, 2980371, 3973828, 4967285, 5768460, 5960742, 8941113, 9934570, 11921484, 14901855, 17882226, 19869140, 29803710, 35764452, 44705565, 59607420, 89411130, 178822260]

約数ペア:

[(1, 178822260), (2, 89411130), (3, 59607420), (4, 44705565), (5, 35764452), (6, 29803710), (9, 19869140), (10, 17882226), (12, 14901855), (15, 11921484), (18, 9934570), (20, 8941113), (30, 5960742), (31, 5768460), (36, 4967285), (45, 3973828), (60, 2980371), (62, 2884230), (73, 2449620), (90, 1986914), (93, 1922820), (124, 1442115), (146, 1224810), (155, 1153692), (180, 993457), (186, 961410), (219, 816540), (279, 640940), (292, 612405), (310, 576846), (365, 489924), (372, 480705), (438, 408270), (439, 407340), (465, 384564), (558, 320470), (620, 288423), (657, 272180), (730, 244962), (876, 204135), (878, 203670), (930, 192282), (1095, 163308), (1116, 160235), (1314, 136090), (1317, 135780), (1395, 128188), (1460, 122481), (1756, 101835), (1860, 96141), (2190, 81654), (2195, 81468), (2263, 79020), (2628, 68045), (2634, 67890), (2790, 64094), (3285, 54436), (3951, 45260), (4380, 40827), (4390, 40734), (4526, 39510), (5268, 33945), (5580, 32047), (6570, 27218), (6585, 27156), (6789, 26340), (7902, 22630), (8780, 20367), (9052, 19755), (11315, 15804), (13140, 13609), (13170, 13578)]