77778480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:383

約数の個数: 160

約数和(自身を含む): 263358144

約数和(自身を除く): 185579664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 97, 104, 120, 130, 156, 194, 195, 208, 240, 257, 260, 291, 312, 388, 390, 485, 514, 520, 582, 624, 771, 776, 780, 970, 1028, 1040, 1164, 1261, 1285, 1455, 1542, 1552, 1560, 1940, 2056, 2328, 2522, 2570, 2910, 3084, 3120, 3341, 3783, 3855, 3880, 4112, 4656, 5044, 5140, 5820, 6168, 6305, 6682, 7566, 7710, 7760, 10023, 10088, 10280, 11640, 12336, 12610, 13364, 15132, 15420, 16705, 18915, 20046, 20176, 20560, 23280, 24929, 25220, 26728, 30264, 30840, 33410, 37830, 40092, 49858, 50115, 50440, 53456, 60528, 61680, 66820, 74787, 75660, 80184, 99716, 100230, 100880, 124645, 133640, 149574, 151320, 160368, 199432, 200460, 249290, 267280, 299148, 302640, 324077, 373935, 398864, 400920, 498580, 598296, 648154, 747870, 801840, 972231, 997160, 1196592, 1296308, 1495740, 1620385, 1944462, 1994320, 2592616, 2991480, 3240770, 3888924, 4861155, 5185232, 5982960, 6481540, 7777848, 9722310, 12963080, 15555696, 19444620, 25926160, 38889240, 77778480]

約数ペア:

[(1, 77778480), (2, 38889240), (3, 25926160), (4, 19444620), (5, 15555696), (6, 12963080), (8, 9722310), (10, 7777848), (12, 6481540), (13, 5982960), (15, 5185232), (16, 4861155), (20, 3888924), (24, 3240770), (26, 2991480), (30, 2592616), (39, 1994320), (40, 1944462), (48, 1620385), (52, 1495740), (60, 1296308), (65, 1196592), (78, 997160), (80, 972231), (97, 801840), (104, 747870), (120, 648154), (130, 598296), (156, 498580), (194, 400920), (195, 398864), (208, 373935), (240, 324077), (257, 302640), (260, 299148), (291, 267280), (312, 249290), (388, 200460), (390, 199432), (485, 160368), (514, 151320), (520, 149574), (582, 133640), (624, 124645), (771, 100880), (776, 100230), (780, 99716), (970, 80184), (1028, 75660), (1040, 74787), (1164, 66820), (1261, 61680), (1285, 60528), (1455, 53456), (1542, 50440), (1552, 50115), (1560, 49858), (1940, 40092), (2056, 37830), (2328, 33410), (2522, 30840), (2570, 30264), (2910, 26728), (3084, 25220), (3120, 24929), (3341, 23280), (3783, 20560), (3855, 20176), (3880, 20046), (4112, 18915), (4656, 16705), (5044, 15420), (5140, 15132), (5820, 13364), (6168, 12610), (6305, 12336), (6682, 11640), (7566, 10280), (7710, 10088), (7760, 10023)]