39991140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1867}}^1$

素因数の和:1906

約数の個数: 144

約数和(自身を含む): 146869632

約数和(自身を除く): 106878492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 1867, 2142, 2380, 3060, 3570, 3734, 4284, 5355, 5601, 7140, 7468, 9335, 10710, 11202, 13069, 16803, 18670, 21420, 22404, 26138, 28005, 31739, 33606, 37340, 39207, 52276, 56010, 63478, 65345, 67212, 78414, 84015, 95217, 112020, 117621, 126956, 130690, 156828, 158695, 168030, 190434, 196035, 222173, 235242, 261380, 285651, 317390, 336060, 380868, 392070, 444346, 470484, 476085, 571302, 588105, 634780, 666519, 784140, 888692, 952170, 1110865, 1142604, 1176210, 1333038, 1428255, 1904340, 1999557, 2221730, 2352420, 2666076, 2856510, 3332595, 3999114, 4443460, 5713020, 6665190, 7998228, 9997785, 13330380, 19995570, 39991140]

約数ペア:

[(1, 39991140), (2, 19995570), (3, 13330380), (4, 9997785), (5, 7998228), (6, 6665190), (7, 5713020), (9, 4443460), (10, 3999114), (12, 3332595), (14, 2856510), (15, 2666076), (17, 2352420), (18, 2221730), (20, 1999557), (21, 1904340), (28, 1428255), (30, 1333038), (34, 1176210), (35, 1142604), (36, 1110865), (42, 952170), (45, 888692), (51, 784140), (60, 666519), (63, 634780), (68, 588105), (70, 571302), (84, 476085), (85, 470484), (90, 444346), (102, 392070), (105, 380868), (119, 336060), (126, 317390), (140, 285651), (153, 261380), (170, 235242), (180, 222173), (204, 196035), (210, 190434), (238, 168030), (252, 158695), (255, 156828), (306, 130690), (315, 126956), (340, 117621), (357, 112020), (420, 95217), (476, 84015), (510, 78414), (595, 67212), (612, 65345), (630, 63478), (714, 56010), (765, 52276), (1020, 39207), (1071, 37340), (1190, 33606), (1260, 31739), (1428, 28005), (1530, 26138), (1785, 22404), (1867, 21420), (2142, 18670), (2380, 16803), (3060, 13069), (3570, 11202), (3734, 10710), (4284, 9335), (5355, 7468), (5601, 7140)]