28999620

素因数分解:

$2^2\times 3^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:63

約数の個数: 216

約数和(自身を含む): 104157144

約数和(自身を除く): 75157524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 81, 85, 90, 102, 108, 117, 130, 135, 153, 156, 162, 170, 180, 195, 204, 221, 234, 243, 255, 260, 270, 306, 324, 340, 351, 390, 405, 442, 459, 468, 486, 510, 540, 585, 612, 663, 702, 729, 765, 780, 810, 884, 918, 972, 1020, 1053, 1105, 1170, 1215, 1326, 1377, 1404, 1458, 1530, 1620, 1755, 1836, 1989, 2106, 2187, 2210, 2295, 2340, 2430, 2652, 2754, 2916, 3060, 3159, 3315, 3510, 3645, 3978, 4131, 4212, 4374, 4420, 4590, 4860, 5265, 5508, 5967, 6318, 6561, 6630, 6885, 7020, 7290, 7956, 8262, 8748, 9180, 9477, 9945, 10530, 10935, 11934, 12393, 12636, 13122, 13260, 13770, 14580, 15795, 16524, 17901, 18954, 19890, 20655, 21060, 21870, 23868, 24786, 26244, 27540, 28431, 29835, 31590, 32805, 35802, 37179, 37908, 39780, 41310, 43740, 47385, 49572, 53703, 56862, 59670, 61965, 63180, 65610, 71604, 74358, 82620, 85293, 89505, 94770, 107406, 111537, 113724, 119340, 123930, 131220, 142155, 148716, 161109, 170586, 179010, 185895, 189540, 214812, 223074, 247860, 268515, 284310, 322218, 341172, 358020, 371790, 426465, 446148, 483327, 537030, 557685, 568620, 644436, 743580, 805545, 852930, 966654, 1074060, 1115370, 1449981, 1611090, 1705860, 1933308, 2230740, 2416635, 2899962, 3222180, 4833270, 5799924, 7249905, 9666540, 14499810, 28999620]

約数ペア:

[(1, 28999620), (2, 14499810), (3, 9666540), (4, 7249905), (5, 5799924), (6, 4833270), (9, 3222180), (10, 2899962), (12, 2416635), (13, 2230740), (15, 1933308), (17, 1705860), (18, 1611090), (20, 1449981), (26, 1115370), (27, 1074060), (30, 966654), (34, 852930), (36, 805545), (39, 743580), (45, 644436), (51, 568620), (52, 557685), (54, 537030), (60, 483327), (65, 446148), (68, 426465), (78, 371790), (81, 358020), (85, 341172), (90, 322218), (102, 284310), (108, 268515), (117, 247860), (130, 223074), (135, 214812), (153, 189540), (156, 185895), (162, 179010), (170, 170586), (180, 161109), (195, 148716), (204, 142155), (221, 131220), (234, 123930), (243, 119340), (255, 113724), (260, 111537), (270, 107406), (306, 94770), (324, 89505), (340, 85293), (351, 82620), (390, 74358), (405, 71604), (442, 65610), (459, 63180), (468, 61965), (486, 59670), (510, 56862), (540, 53703), (585, 49572), (612, 47385), (663, 43740), (702, 41310), (729, 39780), (765, 37908), (780, 37179), (810, 35802), (884, 32805), (918, 31590), (972, 29835), (1020, 28431), (1053, 27540), (1105, 26244), (1170, 24786), (1215, 23868), (1326, 21870), (1377, 21060), (1404, 20655), (1458, 19890), (1530, 18954), (1620, 17901), (1755, 16524), (1836, 15795), (1989, 14580), (2106, 13770), (2187, 13260), (2210, 13122), (2295, 12636), (2340, 12393), (2430, 11934), (2652, 10935), (2754, 10530), (2916, 9945), (3060, 9477), (3159, 9180), (3315, 8748), (3510, 8262), (3645, 7956), (3978, 7290), (4131, 7020), (4212, 6885), (4374, 6630), (4420, 6561), (4590, 6318), (4860, 5967), (5265, 5508)]