28624260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:266

約数の個数: 192

約数和(自身を含む): 102574080

約数和(自身を除く): 73949820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 28, 30, 34, 35, 38, 42, 51, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 133, 140, 170, 190, 204, 210, 211, 228, 238, 255, 266, 285, 323, 340, 357, 380, 399, 420, 422, 476, 510, 532, 570, 595, 633, 646, 665, 714, 798, 844, 969, 1020, 1055, 1140, 1190, 1266, 1292, 1330, 1428, 1477, 1596, 1615, 1785, 1938, 1995, 2110, 2261, 2380, 2532, 2660, 2954, 3165, 3230, 3570, 3587, 3876, 3990, 4009, 4220, 4431, 4522, 4845, 5908, 6330, 6460, 6783, 7140, 7174, 7385, 7980, 8018, 8862, 9044, 9690, 10761, 11305, 12027, 12660, 13566, 14348, 14770, 16036, 17724, 17935, 19380, 20045, 21522, 22155, 22610, 24054, 25109, 27132, 28063, 29540, 33915, 35870, 40090, 43044, 44310, 45220, 48108, 50218, 53805, 56126, 60135, 67830, 68153, 71740, 75327, 80180, 84189, 88620, 100436, 107610, 112252, 120270, 125545, 135660, 136306, 140315, 150654, 168378, 204459, 215220, 240540, 251090, 272612, 280630, 301308, 336756, 340765, 376635, 408918, 420945, 477071, 502180, 561260, 681530, 753270, 817836, 841890, 954142, 1022295, 1363060, 1431213, 1506540, 1683780, 1908284, 2044590, 2385355, 2862426, 4089180, 4770710, 5724852, 7156065, 9541420, 14312130, 28624260]

約数ペア:

[(1, 28624260), (2, 14312130), (3, 9541420), (4, 7156065), (5, 5724852), (6, 4770710), (7, 4089180), (10, 2862426), (12, 2385355), (14, 2044590), (15, 1908284), (17, 1683780), (19, 1506540), (20, 1431213), (21, 1363060), (28, 1022295), (30, 954142), (34, 841890), (35, 817836), (38, 753270), (42, 681530), (51, 561260), (57, 502180), (60, 477071), (68, 420945), (70, 408918), (76, 376635), (84, 340765), (85, 336756), (95, 301308), (102, 280630), (105, 272612), (114, 251090), (119, 240540), (133, 215220), (140, 204459), (170, 168378), (190, 150654), (204, 140315), (210, 136306), (211, 135660), (228, 125545), (238, 120270), (255, 112252), (266, 107610), (285, 100436), (323, 88620), (340, 84189), (357, 80180), (380, 75327), (399, 71740), (420, 68153), (422, 67830), (476, 60135), (510, 56126), (532, 53805), (570, 50218), (595, 48108), (633, 45220), (646, 44310), (665, 43044), (714, 40090), (798, 35870), (844, 33915), (969, 29540), (1020, 28063), (1055, 27132), (1140, 25109), (1190, 24054), (1266, 22610), (1292, 22155), (1330, 21522), (1428, 20045), (1477, 19380), (1596, 17935), (1615, 17724), (1785, 16036), (1938, 14770), (1995, 14348), (2110, 13566), (2261, 12660), (2380, 12027), (2532, 11305), (2660, 10761), (2954, 9690), (3165, 9044), (3230, 8862), (3570, 8018), (3587, 7980), (3876, 7385), (3990, 7174), (4009, 7140), (4220, 6783), (4431, 6460), (4522, 6330), (4845, 5908)]