878220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:80

約数の個数: 144

約数和(自身を含む): 3302208

約数和(自身を除く): 2423988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 41, 42, 45, 51, 60, 63, 68, 70, 82, 84, 85, 90, 102, 105, 119, 123, 126, 140, 153, 164, 170, 180, 204, 205, 210, 238, 246, 252, 255, 287, 306, 315, 340, 357, 369, 410, 420, 476, 492, 510, 574, 595, 612, 615, 630, 697, 714, 738, 765, 820, 861, 1020, 1071, 1148, 1190, 1230, 1260, 1394, 1428, 1435, 1476, 1530, 1722, 1785, 1845, 2091, 2142, 2380, 2460, 2583, 2788, 2870, 3060, 3444, 3485, 3570, 3690, 4182, 4284, 4305, 4879, 5166, 5355, 5740, 6273, 6970, 7140, 7380, 8364, 8610, 9758, 10332, 10455, 10710, 12546, 12915, 13940, 14637, 17220, 19516, 20910, 21420, 24395, 25092, 25830, 29274, 31365, 41820, 43911, 48790, 51660, 58548, 62730, 73185, 87822, 97580, 125460, 146370, 175644, 219555, 292740, 439110, 878220]

約数ペア:

[(1, 878220), (2, 439110), (3, 292740), (4, 219555), (5, 175644), (6, 146370), (7, 125460), (9, 97580), (10, 87822), (12, 73185), (14, 62730), (15, 58548), (17, 51660), (18, 48790), (20, 43911), (21, 41820), (28, 31365), (30, 29274), (34, 25830), (35, 25092), (36, 24395), (41, 21420), (42, 20910), (45, 19516), (51, 17220), (60, 14637), (63, 13940), (68, 12915), (70, 12546), (82, 10710), (84, 10455), (85, 10332), (90, 9758), (102, 8610), (105, 8364), (119, 7380), (123, 7140), (126, 6970), (140, 6273), (153, 5740), (164, 5355), (170, 5166), (180, 4879), (204, 4305), (205, 4284), (210, 4182), (238, 3690), (246, 3570), (252, 3485), (255, 3444), (287, 3060), (306, 2870), (315, 2788), (340, 2583), (357, 2460), (369, 2380), (410, 2142), (420, 2091), (476, 1845), (492, 1785), (510, 1722), (574, 1530), (595, 1476), (612, 1435), (615, 1428), (630, 1394), (697, 1260), (714, 1230), (738, 1190), (765, 1148), (820, 1071), (861, 1020)]