279705960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:813

約数の個数: 160

約数和(自身を含む): 948736800

約数和(自身を除く): 669030840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 131, 135, 162, 180, 216, 262, 270, 324, 360, 393, 405, 524, 540, 648, 655, 659, 786, 810, 1048, 1080, 1179, 1310, 1318, 1572, 1620, 1965, 1977, 2358, 2620, 2636, 3144, 3240, 3295, 3537, 3930, 3954, 4716, 5240, 5272, 5895, 5931, 6590, 7074, 7860, 7908, 9432, 9885, 10611, 11790, 11862, 13180, 14148, 15720, 15816, 17685, 17793, 19770, 21222, 23580, 23724, 26360, 28296, 29655, 35370, 35586, 39540, 42444, 47160, 47448, 53055, 53379, 59310, 70740, 71172, 79080, 84888, 86329, 88965, 106110, 106758, 118620, 141480, 142344, 172658, 177930, 212220, 213516, 237240, 258987, 266895, 345316, 355860, 424440, 427032, 431645, 517974, 533790, 690632, 711720, 776961, 863290, 1035948, 1067580, 1294935, 1553922, 1726580, 2071896, 2135160, 2330883, 2589870, 3107844, 3453160, 3884805, 4661766, 5179740, 6215688, 6992649, 7769610, 9323532, 10359480, 11654415, 13985298, 15539220, 18647064, 23308830, 27970596, 31078440, 34963245, 46617660, 55941192, 69926490, 93235320, 139852980, 279705960]

約数ペア:

[(1, 279705960), (2, 139852980), (3, 93235320), (4, 69926490), (5, 55941192), (6, 46617660), (8, 34963245), (9, 31078440), (10, 27970596), (12, 23308830), (15, 18647064), (18, 15539220), (20, 13985298), (24, 11654415), (27, 10359480), (30, 9323532), (36, 7769610), (40, 6992649), (45, 6215688), (54, 5179740), (60, 4661766), (72, 3884805), (81, 3453160), (90, 3107844), (108, 2589870), (120, 2330883), (131, 2135160), (135, 2071896), (162, 1726580), (180, 1553922), (216, 1294935), (262, 1067580), (270, 1035948), (324, 863290), (360, 776961), (393, 711720), (405, 690632), (524, 533790), (540, 517974), (648, 431645), (655, 427032), (659, 424440), (786, 355860), (810, 345316), (1048, 266895), (1080, 258987), (1179, 237240), (1310, 213516), (1318, 212220), (1572, 177930), (1620, 172658), (1965, 142344), (1977, 141480), (2358, 118620), (2620, 106758), (2636, 106110), (3144, 88965), (3240, 86329), (3295, 84888), (3537, 79080), (3930, 71172), (3954, 70740), (4716, 59310), (5240, 53379), (5272, 53055), (5895, 47448), (5931, 47160), (6590, 42444), (7074, 39540), (7860, 35586), (7908, 35370), (9432, 29655), (9885, 28296), (10611, 26360), (11790, 23724), (11862, 23580), (13180, 21222), (14148, 19770), (15720, 17793), (15816, 17685)]