281326920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17627}}^1$

素因数の和:17667

約数の個数: 128

約数和(自身を含む): 1015372800

約数和(自身を除く): 734045880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 17627, 35254, 52881, 70508, 88135, 105762, 123389, 141016, 176270, 211524, 246778, 264405, 334913, 352540, 370167, 423048, 493556, 528810, 616945, 669826, 705080, 740334, 987112, 1004739, 1057620, 1233890, 1339652, 1480668, 1674565, 1850835, 2009478, 2115240, 2344391, 2467780, 2679304, 2961336, 3349130, 3701670, 4018956, 4688782, 4935560, 5023695, 6698260, 7033173, 7403340, 8037912, 9377564, 10047390, 11721955, 13396520, 14066346, 14806680, 18755128, 20094780, 23443910, 28132692, 35165865, 40189560, 46887820, 56265384, 70331730, 93775640, 140663460, 281326920]

約数ペア:

[(1, 281326920), (2, 140663460), (3, 93775640), (4, 70331730), (5, 56265384), (6, 46887820), (7, 40189560), (8, 35165865), (10, 28132692), (12, 23443910), (14, 20094780), (15, 18755128), (19, 14806680), (20, 14066346), (21, 13396520), (24, 11721955), (28, 10047390), (30, 9377564), (35, 8037912), (38, 7403340), (40, 7033173), (42, 6698260), (56, 5023695), (57, 4935560), (60, 4688782), (70, 4018956), (76, 3701670), (84, 3349130), (95, 2961336), (105, 2679304), (114, 2467780), (120, 2344391), (133, 2115240), (140, 2009478), (152, 1850835), (168, 1674565), (190, 1480668), (210, 1339652), (228, 1233890), (266, 1057620), (280, 1004739), (285, 987112), (380, 740334), (399, 705080), (420, 669826), (456, 616945), (532, 528810), (570, 493556), (665, 423048), (760, 370167), (798, 352540), (840, 334913), (1064, 264405), (1140, 246778), (1330, 211524), (1596, 176270), (1995, 141016), (2280, 123389), (2660, 105762), (3192, 88135), (3990, 70508), (5320, 52881), (7980, 35254), (15960, 17627)]