7854210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 25769016

約数和(自身を除く): 17914806

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 49, 63, 65, 70, 78, 90, 91, 98, 105, 117, 126, 130, 137, 147, 182, 195, 210, 234, 245, 273, 274, 294, 315, 390, 411, 441, 455, 490, 546, 585, 630, 637, 685, 735, 819, 822, 882, 910, 959, 1170, 1233, 1274, 1365, 1370, 1470, 1638, 1781, 1911, 1918, 2055, 2205, 2466, 2730, 2877, 3185, 3562, 3822, 4095, 4110, 4410, 4795, 5343, 5733, 5754, 6165, 6370, 6713, 8190, 8631, 8905, 9555, 9590, 10686, 11466, 12330, 12467, 13426, 14385, 16029, 17262, 17810, 19110, 20139, 24934, 26715, 28665, 28770, 32058, 33565, 37401, 40278, 43155, 53430, 57330, 60417, 62335, 67130, 74802, 80145, 86310, 87269, 100695, 112203, 120834, 124670, 160290, 174538, 187005, 201390, 224406, 261807, 302085, 374010, 436345, 523614, 561015, 604170, 785421, 872690, 1122030, 1309035, 1570842, 2618070, 3927105, 7854210]

約数ペア:

[(1, 7854210), (2, 3927105), (3, 2618070), (5, 1570842), (6, 1309035), (7, 1122030), (9, 872690), (10, 785421), (13, 604170), (14, 561015), (15, 523614), (18, 436345), (21, 374010), (26, 302085), (30, 261807), (35, 224406), (39, 201390), (42, 187005), (45, 174538), (49, 160290), (63, 124670), (65, 120834), (70, 112203), (78, 100695), (90, 87269), (91, 86310), (98, 80145), (105, 74802), (117, 67130), (126, 62335), (130, 60417), (137, 57330), (147, 53430), (182, 43155), (195, 40278), (210, 37401), (234, 33565), (245, 32058), (273, 28770), (274, 28665), (294, 26715), (315, 24934), (390, 20139), (411, 19110), (441, 17810), (455, 17262), (490, 16029), (546, 14385), (585, 13426), (630, 12467), (637, 12330), (685, 11466), (735, 10686), (819, 9590), (822, 9555), (882, 8905), (910, 8631), (959, 8190), (1170, 6713), (1233, 6370), (1274, 6165), (1365, 5754), (1370, 5733), (1470, 5343), (1638, 4795), (1781, 4410), (1911, 4110), (1918, 4095), (2055, 3822), (2205, 3562), (2466, 3185), (2730, 2877)]