1639552728

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:845

約数の個数: 128

約数和(自身を含む): 4571136000

約数和(自身を除く): 2931583272

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 79, 88, 127, 132, 158, 237, 254, 264, 316, 381, 474, 508, 619, 632, 762, 869, 948, 1016, 1238, 1397, 1524, 1738, 1857, 1896, 2476, 2607, 2794, 3048, 3476, 3714, 4191, 4952, 5214, 5588, 6809, 6952, 7428, 8382, 10033, 10428, 11176, 13618, 14856, 16764, 20066, 20427, 20856, 27236, 30099, 33528, 40132, 40854, 48901, 54472, 60198, 78613, 80264, 81708, 97802, 110363, 120396, 146703, 157226, 163416, 195604, 220726, 235839, 240792, 293406, 314452, 331089, 391208, 441452, 471678, 537911, 586812, 628904, 662178, 864743, 882904, 943356, 1075822, 1173624, 1324356, 1613733, 1729486, 1886712, 2151644, 2594229, 2648712, 3227466, 3458972, 4303288, 5188458, 6210427, 6454932, 6917944, 10376916, 12420854, 12909864, 18631281, 20753832, 24841708, 37262562, 49683416, 68314697, 74525124, 136629394, 149050248, 204944091, 273258788, 409888182, 546517576, 819776364, 1639552728]

約数ペア:

[(1, 1639552728), (2, 819776364), (3, 546517576), (4, 409888182), (6, 273258788), (8, 204944091), (11, 149050248), (12, 136629394), (22, 74525124), (24, 68314697), (33, 49683416), (44, 37262562), (66, 24841708), (79, 20753832), (88, 18631281), (127, 12909864), (132, 12420854), (158, 10376916), (237, 6917944), (254, 6454932), (264, 6210427), (316, 5188458), (381, 4303288), (474, 3458972), (508, 3227466), (619, 2648712), (632, 2594229), (762, 2151644), (869, 1886712), (948, 1729486), (1016, 1613733), (1238, 1324356), (1397, 1173624), (1524, 1075822), (1738, 943356), (1857, 882904), (1896, 864743), (2476, 662178), (2607, 628904), (2794, 586812), (3048, 537911), (3476, 471678), (3714, 441452), (4191, 391208), (4952, 331089), (5214, 314452), (5588, 293406), (6809, 240792), (6952, 235839), (7428, 220726), (8382, 195604), (10033, 163416), (10428, 157226), (11176, 146703), (13618, 120396), (14856, 110363), (16764, 97802), (20066, 81708), (20427, 80264), (20856, 78613), (27236, 60198), (30099, 54472), (33528, 48901), (40132, 40854)]