28486920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3083}}^1$

素因数の和:3115

約数の個数: 128

約数和(自身を含む): 106583040

約数和(自身を除く): 78096120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 3083, 4620, 6166, 9240, 9249, 12332, 15415, 18498, 21581, 24664, 30830, 33913, 36996, 43162, 46245, 61660, 64743, 67826, 73992, 86324, 92490, 101739, 107905, 123320, 129486, 135652, 169565, 172648, 184980, 203478, 215810, 237391, 258972, 271304, 323715, 339130, 369960, 406956, 431620, 474782, 508695, 517944, 647430, 678260, 712173, 813912, 863240, 949564, 1017390, 1186955, 1294860, 1356520, 1424346, 1899128, 2034780, 2373910, 2589720, 2848692, 3560865, 4069560, 4747820, 5697384, 7121730, 9495640, 14243460, 28486920]

約数ペア:

[(1, 28486920), (2, 14243460), (3, 9495640), (4, 7121730), (5, 5697384), (6, 4747820), (7, 4069560), (8, 3560865), (10, 2848692), (11, 2589720), (12, 2373910), (14, 2034780), (15, 1899128), (20, 1424346), (21, 1356520), (22, 1294860), (24, 1186955), (28, 1017390), (30, 949564), (33, 863240), (35, 813912), (40, 712173), (42, 678260), (44, 647430), (55, 517944), (56, 508695), (60, 474782), (66, 431620), (70, 406956), (77, 369960), (84, 339130), (88, 323715), (105, 271304), (110, 258972), (120, 237391), (132, 215810), (140, 203478), (154, 184980), (165, 172648), (168, 169565), (210, 135652), (220, 129486), (231, 123320), (264, 107905), (280, 101739), (308, 92490), (330, 86324), (385, 73992), (420, 67826), (440, 64743), (462, 61660), (616, 46245), (660, 43162), (770, 36996), (840, 33913), (924, 30830), (1155, 24664), (1320, 21581), (1540, 18498), (1848, 15415), (2310, 12332), (3080, 9249), (3083, 9240), (4620, 6166)]