78778920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1613}}^1$

素因数の和:1675

約数の個数: 128

約数和(自身を含む): 264954240

約数和(自身を除く): 186175320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 37, 40, 44, 55, 60, 66, 74, 88, 110, 111, 120, 132, 148, 165, 185, 220, 222, 264, 296, 330, 370, 407, 440, 444, 555, 660, 740, 814, 888, 1110, 1221, 1320, 1480, 1613, 1628, 2035, 2220, 2442, 3226, 3256, 4070, 4440, 4839, 4884, 6105, 6452, 8065, 8140, 9678, 9768, 12210, 12904, 16130, 16280, 17743, 19356, 24195, 24420, 32260, 35486, 38712, 48390, 48840, 53229, 59681, 64520, 70972, 88715, 96780, 106458, 119362, 141944, 177430, 179043, 193560, 212916, 238724, 266145, 298405, 354860, 358086, 425832, 477448, 532290, 596810, 656491, 709720, 716172, 895215, 1064580, 1193620, 1312982, 1432344, 1790430, 1969473, 2129160, 2387240, 2625964, 3282455, 3580860, 3938946, 5251928, 6564910, 7161720, 7877892, 9847365, 13129820, 15755784, 19694730, 26259640, 39389460, 78778920]

約数ペア:

[(1, 78778920), (2, 39389460), (3, 26259640), (4, 19694730), (5, 15755784), (6, 13129820), (8, 9847365), (10, 7877892), (11, 7161720), (12, 6564910), (15, 5251928), (20, 3938946), (22, 3580860), (24, 3282455), (30, 2625964), (33, 2387240), (37, 2129160), (40, 1969473), (44, 1790430), (55, 1432344), (60, 1312982), (66, 1193620), (74, 1064580), (88, 895215), (110, 716172), (111, 709720), (120, 656491), (132, 596810), (148, 532290), (165, 477448), (185, 425832), (220, 358086), (222, 354860), (264, 298405), (296, 266145), (330, 238724), (370, 212916), (407, 193560), (440, 179043), (444, 177430), (555, 141944), (660, 119362), (740, 106458), (814, 96780), (888, 88715), (1110, 70972), (1221, 64520), (1320, 59681), (1480, 53229), (1613, 48840), (1628, 48390), (2035, 38712), (2220, 35486), (2442, 32260), (3226, 24420), (3256, 24195), (4070, 19356), (4440, 17743), (4839, 16280), (4884, 16130), (6105, 12904), (6452, 12210), (8065, 9768), (8140, 9678)]