128555910

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 240

約数和(自身を含む): 417130560

約数和(自身を除く): 288574650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 41, 42, 45, 49, 54, 63, 70, 79, 81, 82, 90, 98, 105, 123, 126, 135, 147, 158, 162, 189, 205, 210, 237, 245, 246, 270, 287, 294, 315, 369, 378, 395, 405, 410, 441, 474, 490, 553, 567, 574, 615, 630, 711, 735, 738, 790, 810, 861, 882, 945, 1106, 1107, 1134, 1185, 1230, 1323, 1422, 1435, 1470, 1659, 1722, 1845, 1890, 2009, 2133, 2205, 2214, 2370, 2583, 2646, 2765, 2835, 2870, 3239, 3318, 3321, 3555, 3690, 3871, 3969, 4018, 4266, 4305, 4410, 4977, 5166, 5530, 5535, 5670, 6027, 6399, 6478, 6615, 6642, 7110, 7742, 7749, 7938, 8295, 8610, 9717, 9954, 10045, 10665, 11070, 11613, 12054, 12798, 12915, 13230, 14931, 15498, 16195, 16590, 16605, 18081, 19355, 19434, 19845, 20090, 21330, 22673, 23226, 23247, 24885, 25830, 29151, 29862, 30135, 31995, 32390, 33210, 34839, 36162, 38710, 38745, 39690, 44793, 45346, 46494, 48585, 49770, 54243, 58065, 58302, 60270, 63990, 68019, 69678, 74655, 77490, 87453, 89586, 90405, 97170, 104517, 108486, 113365, 116130, 116235, 136038, 145755, 149310, 158711, 162729, 174195, 174906, 180810, 204057, 209034, 223965, 226730, 232470, 262359, 271215, 291510, 313551, 317422, 325458, 340095, 348390, 408114, 437265, 447930, 476133, 522585, 524718, 542430, 612171, 627102, 680190, 793555, 813645, 874530, 952266, 1020285, 1045170, 1224342, 1311795, 1428399, 1567755, 1587110, 1627290, 1836513, 2040570, 2380665, 2623590, 2856798, 3060855, 3135510, 3673026, 4285197, 4761330, 6121710, 7141995, 8570394, 9182565, 12855591, 14283990, 18365130, 21425985, 25711182, 42851970, 64277955, 128555910]

約数ペア:

[(1, 128555910), (2, 64277955), (3, 42851970), (5, 25711182), (6, 21425985), (7, 18365130), (9, 14283990), (10, 12855591), (14, 9182565), (15, 8570394), (18, 7141995), (21, 6121710), (27, 4761330), (30, 4285197), (35, 3673026), (41, 3135510), (42, 3060855), (45, 2856798), (49, 2623590), (54, 2380665), (63, 2040570), (70, 1836513), (79, 1627290), (81, 1587110), (82, 1567755), (90, 1428399), (98, 1311795), (105, 1224342), (123, 1045170), (126, 1020285), (135, 952266), (147, 874530), (158, 813645), (162, 793555), (189, 680190), (205, 627102), (210, 612171), (237, 542430), (245, 524718), (246, 522585), (270, 476133), (287, 447930), (294, 437265), (315, 408114), (369, 348390), (378, 340095), (395, 325458), (405, 317422), (410, 313551), (441, 291510), (474, 271215), (490, 262359), (553, 232470), (567, 226730), (574, 223965), (615, 209034), (630, 204057), (711, 180810), (735, 174906), (738, 174195), (790, 162729), (810, 158711), (861, 149310), (882, 145755), (945, 136038), (1106, 116235), (1107, 116130), (1134, 113365), (1185, 108486), (1230, 104517), (1323, 97170), (1422, 90405), (1435, 89586), (1470, 87453), (1659, 77490), (1722, 74655), (1845, 69678), (1890, 68019), (2009, 63990), (2133, 60270), (2205, 58302), (2214, 58065), (2370, 54243), (2583, 49770), (2646, 48585), (2765, 46494), (2835, 45346), (2870, 44793), (3239, 39690), (3318, 38745), (3321, 38710), (3555, 36162), (3690, 34839), (3871, 33210), (3969, 32390), (4018, 31995), (4266, 30135), (4305, 29862), (4410, 29151), (4977, 25830), (5166, 24885), (5530, 23247), (5535, 23226), (5670, 22673), (6027, 21330), (6399, 20090), (6478, 19845), (6615, 19434), (6642, 19355), (7110, 18081), (7742, 16605), (7749, 16590), (7938, 16195), (8295, 15498), (8610, 14931), (9717, 13230), (9954, 12915), (10045, 12798), (10665, 12054), (11070, 11613)]