1212505980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{1301}}^1$

素因数の和:1644

約数の個数: 144

約数和(自身を含む): 3964808736

約数和(自身を除く): 2752302756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 317, 420, 490, 588, 634, 735, 951, 980, 1268, 1301, 1470, 1585, 1902, 2219, 2602, 2940, 3170, 3804, 3903, 4438, 4755, 5204, 6340, 6505, 6657, 7806, 8876, 9107, 9510, 11095, 13010, 13314, 15533, 15612, 18214, 19020, 19515, 22190, 26020, 26628, 27321, 31066, 33285, 36428, 39030, 44380, 45535, 46599, 54642, 62132, 63749, 66570, 77665, 78060, 91070, 93198, 109284, 127498, 133140, 136605, 155330, 182140, 186396, 191247, 232995, 254996, 273210, 310660, 318745, 382494, 412417, 465990, 546420, 637490, 764988, 824834, 931980, 956235, 1237251, 1274980, 1649668, 1912470, 2062085, 2474502, 2886919, 3824940, 4124170, 4949004, 5773838, 6186255, 8248340, 8660757, 11547676, 12372510, 14434595, 17321514, 20208433, 24745020, 28869190, 34643028, 40416866, 43303785, 57738380, 60625299, 80833732, 86607570, 101042165, 121250598, 173215140, 202084330, 242501196, 303126495, 404168660, 606252990, 1212505980]

約数ペア:

[(1, 1212505980), (2, 606252990), (3, 404168660), (4, 303126495), (5, 242501196), (6, 202084330), (7, 173215140), (10, 121250598), (12, 101042165), (14, 86607570), (15, 80833732), (20, 60625299), (21, 57738380), (28, 43303785), (30, 40416866), (35, 34643028), (42, 28869190), (49, 24745020), (60, 20208433), (70, 17321514), (84, 14434595), (98, 12372510), (105, 11547676), (140, 8660757), (147, 8248340), (196, 6186255), (210, 5773838), (245, 4949004), (294, 4124170), (317, 3824940), (420, 2886919), (490, 2474502), (588, 2062085), (634, 1912470), (735, 1649668), (951, 1274980), (980, 1237251), (1268, 956235), (1301, 931980), (1470, 824834), (1585, 764988), (1902, 637490), (2219, 546420), (2602, 465990), (2940, 412417), (3170, 382494), (3804, 318745), (3903, 310660), (4438, 273210), (4755, 254996), (5204, 232995), (6340, 191247), (6505, 186396), (6657, 182140), (7806, 155330), (8876, 136605), (9107, 133140), (9510, 127498), (11095, 109284), (13010, 93198), (13314, 91070), (15533, 78060), (15612, 77665), (18214, 66570), (19020, 63749), (19515, 62132), (22190, 54642), (26020, 46599), (26628, 45535), (27321, 44380), (31066, 39030), (33285, 36428)]