69881220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:630

約数の個数: 144

約数和(自身を含む): 230329008

約数和(自身を除く): 160447788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 41, 45, 51, 60, 68, 82, 85, 90, 102, 123, 153, 164, 170, 180, 204, 205, 246, 255, 306, 340, 369, 410, 492, 510, 557, 612, 615, 697, 738, 765, 820, 1020, 1114, 1230, 1394, 1476, 1530, 1671, 1845, 2091, 2228, 2460, 2785, 2788, 3060, 3342, 3485, 3690, 4182, 5013, 5570, 6273, 6684, 6970, 7380, 8355, 8364, 9469, 10026, 10455, 11140, 12546, 13940, 16710, 18938, 20052, 20910, 22837, 25065, 25092, 28407, 31365, 33420, 37876, 41820, 45674, 47345, 50130, 56814, 62730, 68511, 85221, 91348, 94690, 100260, 113628, 114185, 125460, 137022, 142035, 170442, 189380, 205533, 228370, 274044, 284070, 340884, 342555, 388229, 411066, 426105, 456740, 568140, 685110, 776458, 822132, 852210, 1027665, 1164687, 1370220, 1552916, 1704420, 1941145, 2055330, 2329374, 3494061, 3882290, 4110660, 4658748, 5823435, 6988122, 7764580, 11646870, 13976244, 17470305, 23293740, 34940610, 69881220]

約数ペア:

[(1, 69881220), (2, 34940610), (3, 23293740), (4, 17470305), (5, 13976244), (6, 11646870), (9, 7764580), (10, 6988122), (12, 5823435), (15, 4658748), (17, 4110660), (18, 3882290), (20, 3494061), (30, 2329374), (34, 2055330), (36, 1941145), (41, 1704420), (45, 1552916), (51, 1370220), (60, 1164687), (68, 1027665), (82, 852210), (85, 822132), (90, 776458), (102, 685110), (123, 568140), (153, 456740), (164, 426105), (170, 411066), (180, 388229), (204, 342555), (205, 340884), (246, 284070), (255, 274044), (306, 228370), (340, 205533), (369, 189380), (410, 170442), (492, 142035), (510, 137022), (557, 125460), (612, 114185), (615, 113628), (697, 100260), (738, 94690), (765, 91348), (820, 85221), (1020, 68511), (1114, 62730), (1230, 56814), (1394, 50130), (1476, 47345), (1530, 45674), (1671, 41820), (1845, 37876), (2091, 33420), (2228, 31365), (2460, 28407), (2785, 25092), (2788, 25065), (3060, 22837), (3342, 20910), (3485, 20052), (3690, 18938), (4182, 16710), (5013, 13940), (5570, 12546), (6273, 11140), (6684, 10455), (6970, 10026), (7380, 9469), (8355, 8364)]