84841240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 220968000

約数和(自身を除く): 136126760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 61, 88, 109, 110, 116, 122, 145, 218, 220, 232, 244, 290, 305, 319, 436, 440, 488, 545, 580, 610, 638, 671, 872, 1090, 1160, 1199, 1220, 1276, 1342, 1595, 1769, 2180, 2398, 2440, 2552, 2684, 3161, 3190, 3355, 3538, 4360, 4796, 5368, 5995, 6322, 6380, 6649, 6710, 7076, 8845, 9592, 11990, 12644, 12760, 13298, 13420, 14152, 15805, 17690, 19459, 23980, 25288, 26596, 26840, 31610, 33245, 34771, 35380, 38918, 47960, 53192, 63220, 66490, 69542, 70760, 73139, 77836, 97295, 126440, 132980, 139084, 146278, 155672, 173855, 192821, 194590, 265960, 278168, 292556, 347710, 365695, 385642, 389180, 585112, 695420, 731390, 771284, 778360, 964105, 1390840, 1462780, 1542568, 1928210, 2121031, 2925560, 3856420, 4242062, 7712840, 8484124, 10605155, 16968248, 21210310, 42420620, 84841240]

約数ペア:

[(1, 84841240), (2, 42420620), (4, 21210310), (5, 16968248), (8, 10605155), (10, 8484124), (11, 7712840), (20, 4242062), (22, 3856420), (29, 2925560), (40, 2121031), (44, 1928210), (55, 1542568), (58, 1462780), (61, 1390840), (88, 964105), (109, 778360), (110, 771284), (116, 731390), (122, 695420), (145, 585112), (218, 389180), (220, 385642), (232, 365695), (244, 347710), (290, 292556), (305, 278168), (319, 265960), (436, 194590), (440, 192821), (488, 173855), (545, 155672), (580, 146278), (610, 139084), (638, 132980), (671, 126440), (872, 97295), (1090, 77836), (1160, 73139), (1199, 70760), (1220, 69542), (1276, 66490), (1342, 63220), (1595, 53192), (1769, 47960), (2180, 38918), (2398, 35380), (2440, 34771), (2552, 33245), (2684, 31610), (3161, 26840), (3190, 26596), (3355, 25288), (3538, 23980), (4360, 19459), (4796, 17690), (5368, 15805), (5995, 14152), (6322, 13420), (6380, 13298), (6649, 12760), (6710, 12644), (7076, 11990), (8845, 9592)]