84281560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 220631040

約数和(自身を除く): 136349480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 37, 40, 44, 55, 62, 74, 88, 110, 124, 148, 155, 167, 185, 220, 248, 296, 310, 334, 341, 370, 407, 440, 620, 668, 682, 740, 814, 835, 1147, 1240, 1336, 1364, 1480, 1628, 1670, 1705, 1837, 2035, 2294, 2728, 3256, 3340, 3410, 3674, 4070, 4588, 5177, 5735, 6179, 6680, 6820, 7348, 8140, 9176, 9185, 10354, 11470, 12358, 12617, 13640, 14696, 16280, 18370, 20708, 22940, 24716, 25234, 25885, 30895, 36740, 41416, 45880, 49432, 50468, 51770, 56947, 61790, 63085, 67969, 73480, 100936, 103540, 113894, 123580, 126170, 135938, 191549, 207080, 227788, 247160, 252340, 271876, 284735, 339845, 383098, 455576, 504680, 543752, 569470, 679690, 766196, 957745, 1138940, 1359380, 1532392, 1915490, 2107039, 2277880, 2718760, 3830980, 4214078, 7661960, 8428156, 10535195, 16856312, 21070390, 42140780, 84281560]

約数ペア:

[(1, 84281560), (2, 42140780), (4, 21070390), (5, 16856312), (8, 10535195), (10, 8428156), (11, 7661960), (20, 4214078), (22, 3830980), (31, 2718760), (37, 2277880), (40, 2107039), (44, 1915490), (55, 1532392), (62, 1359380), (74, 1138940), (88, 957745), (110, 766196), (124, 679690), (148, 569470), (155, 543752), (167, 504680), (185, 455576), (220, 383098), (248, 339845), (296, 284735), (310, 271876), (334, 252340), (341, 247160), (370, 227788), (407, 207080), (440, 191549), (620, 135938), (668, 126170), (682, 123580), (740, 113894), (814, 103540), (835, 100936), (1147, 73480), (1240, 67969), (1336, 63085), (1364, 61790), (1480, 56947), (1628, 51770), (1670, 50468), (1705, 49432), (1837, 45880), (2035, 41416), (2294, 36740), (2728, 30895), (3256, 25885), (3340, 25234), (3410, 24716), (3674, 22940), (4070, 20708), (4588, 18370), (5177, 16280), (5735, 14696), (6179, 13640), (6680, 12617), (6820, 12358), (7348, 11470), (8140, 10354), (9176, 9185)]