78981480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1283}}^1$

素因数の和:1325

約数の個数: 160

約数和(自身を含む): 279655200

約数和(自身を除く): 200673720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 513, 540, 570, 648, 684, 760, 810, 855, 1026, 1080, 1140, 1283, 1368, 1539, 1620, 1710, 2052, 2280, 2565, 2566, 3078, 3240, 3420, 3849, 4104, 5130, 5132, 6156, 6415, 6840, 7695, 7698, 10260, 10264, 11547, 12312, 12830, 15390, 15396, 19245, 20520, 23094, 24377, 25660, 30780, 30792, 34641, 38490, 46188, 48754, 51320, 57735, 61560, 69282, 73131, 76980, 92376, 97508, 103923, 115470, 121885, 138564, 146262, 153960, 173205, 195016, 207846, 219393, 230940, 243770, 277128, 292524, 346410, 365655, 415692, 438786, 461880, 487540, 519615, 585048, 658179, 692820, 731310, 831384, 877572, 975080, 1039230, 1096965, 1316358, 1385640, 1462620, 1755144, 1974537, 2078460, 2193930, 2632716, 2925240, 3290895, 3949074, 4156920, 4387860, 5265432, 6581790, 7898148, 8775720, 9872685, 13163580, 15796296, 19745370, 26327160, 39490740, 78981480]

約数ペア:

[(1, 78981480), (2, 39490740), (3, 26327160), (4, 19745370), (5, 15796296), (6, 13163580), (8, 9872685), (9, 8775720), (10, 7898148), (12, 6581790), (15, 5265432), (18, 4387860), (19, 4156920), (20, 3949074), (24, 3290895), (27, 2925240), (30, 2632716), (36, 2193930), (38, 2078460), (40, 1974537), (45, 1755144), (54, 1462620), (57, 1385640), (60, 1316358), (72, 1096965), (76, 1039230), (81, 975080), (90, 877572), (95, 831384), (108, 731310), (114, 692820), (120, 658179), (135, 585048), (152, 519615), (162, 487540), (171, 461880), (180, 438786), (190, 415692), (216, 365655), (228, 346410), (270, 292524), (285, 277128), (324, 243770), (342, 230940), (360, 219393), (380, 207846), (405, 195016), (456, 173205), (513, 153960), (540, 146262), (570, 138564), (648, 121885), (684, 115470), (760, 103923), (810, 97508), (855, 92376), (1026, 76980), (1080, 73131), (1140, 69282), (1283, 61560), (1368, 57735), (1539, 51320), (1620, 48754), (1710, 46188), (2052, 38490), (2280, 34641), (2565, 30792), (2566, 30780), (3078, 25660), (3240, 24377), (3420, 23094), (3849, 20520), (4104, 19245), (5130, 15396), (5132, 15390), (6156, 12830), (6415, 12312), (6840, 11547), (7695, 10264), (7698, 10260)]