645858360

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{28477}}^1$

素因数の和:28507

約数の個数: 160

約数和(自身を含む): 2481003360

約数和(自身を除く): 1835145000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11340, 22680, 28477, 56954, 85431, 113908, 142385, 170862, 199339, 227816, 256293, 284770, 341724, 398678, 427155, 512586, 569540, 598017, 683448, 768879, 797356, 854310, 996695, 1025172, 1139080, 1196034, 1281465, 1537758, 1594712, 1708620, 1794051, 1993390, 2050344, 2306637, 2392068, 2562930, 2990085, 3075516, 3417240, 3588102, 3844395, 3986780, 4613274, 4784136, 5125860, 5382153, 5980170, 6151032, 7176204, 7688790, 7973560, 8970255, 9226548, 10251720, 10764306, 11533185, 11960340, 14352408, 15377580, 16146459, 17940510, 18453096, 21528612, 23066370, 23920680, 26910765, 30755160, 32292918, 35881020, 43057224, 46132740, 53821530, 64585836, 71762040, 80732295, 92265480, 107643060, 129171672, 161464590, 215286120, 322929180, 645858360]

約数ペア:

[(1, 645858360), (2, 322929180), (3, 215286120), (4, 161464590), (5, 129171672), (6, 107643060), (7, 92265480), (8, 80732295), (9, 71762040), (10, 64585836), (12, 53821530), (14, 46132740), (15, 43057224), (18, 35881020), (20, 32292918), (21, 30755160), (24, 26910765), (27, 23920680), (28, 23066370), (30, 21528612), (35, 18453096), (36, 17940510), (40, 16146459), (42, 15377580), (45, 14352408), (54, 11960340), (56, 11533185), (60, 10764306), (63, 10251720), (70, 9226548), (72, 8970255), (81, 7973560), (84, 7688790), (90, 7176204), (105, 6151032), (108, 5980170), (120, 5382153), (126, 5125860), (135, 4784136), (140, 4613274), (162, 3986780), (168, 3844395), (180, 3588102), (189, 3417240), (210, 3075516), (216, 2990085), (252, 2562930), (270, 2392068), (280, 2306637), (315, 2050344), (324, 1993390), (360, 1794051), (378, 1708620), (405, 1594712), (420, 1537758), (504, 1281465), (540, 1196034), (567, 1139080), (630, 1025172), (648, 996695), (756, 854310), (810, 797356), (840, 768879), (945, 683448), (1080, 598017), (1134, 569540), (1260, 512586), (1512, 427155), (1620, 398678), (1890, 341724), (2268, 284770), (2520, 256293), (2835, 227816), (3240, 199339), (3780, 170862), (4536, 142385), (5670, 113908), (7560, 85431), (11340, 56954), (22680, 28477)]