644722740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2503}}^1$

素因数の和:2580

約数の個数: 144

約数和(自身を含む): 2067182208

約数和(自身を除く): 1422459468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 243, 265, 270, 318, 324, 405, 477, 486, 530, 540, 636, 795, 810, 954, 972, 1060, 1215, 1431, 1590, 1620, 1908, 2385, 2430, 2503, 2862, 3180, 4293, 4770, 4860, 5006, 5724, 7155, 7509, 8586, 9540, 10012, 12515, 12879, 14310, 15018, 17172, 21465, 22527, 25030, 25758, 28620, 30036, 37545, 42930, 45054, 50060, 51516, 64395, 67581, 75090, 85860, 90108, 112635, 128790, 132659, 135162, 150180, 202743, 225270, 257580, 265318, 270324, 337905, 397977, 405486, 450540, 530636, 608229, 663295, 675810, 795954, 810972, 1013715, 1193931, 1216458, 1326590, 1351620, 1591908, 1989885, 2027430, 2387862, 2432916, 2653180, 3041145, 3581793, 3979770, 4054860, 4775724, 5969655, 6082290, 7163586, 7959540, 10745379, 11939310, 12164580, 14327172, 17908965, 21490758, 23878620, 32236137, 35817930, 42981516, 53726895, 64472274, 71635860, 107453790, 128944548, 161180685, 214907580, 322361370, 644722740]

約数ペア:

[(1, 644722740), (2, 322361370), (3, 214907580), (4, 161180685), (5, 128944548), (6, 107453790), (9, 71635860), (10, 64472274), (12, 53726895), (15, 42981516), (18, 35817930), (20, 32236137), (27, 23878620), (30, 21490758), (36, 17908965), (45, 14327172), (53, 12164580), (54, 11939310), (60, 10745379), (81, 7959540), (90, 7163586), (106, 6082290), (108, 5969655), (135, 4775724), (159, 4054860), (162, 3979770), (180, 3581793), (212, 3041145), (243, 2653180), (265, 2432916), (270, 2387862), (318, 2027430), (324, 1989885), (405, 1591908), (477, 1351620), (486, 1326590), (530, 1216458), (540, 1193931), (636, 1013715), (795, 810972), (810, 795954), (954, 675810), (972, 663295), (1060, 608229), (1215, 530636), (1431, 450540), (1590, 405486), (1620, 397977), (1908, 337905), (2385, 270324), (2430, 265318), (2503, 257580), (2862, 225270), (3180, 202743), (4293, 150180), (4770, 135162), (4860, 132659), (5006, 128790), (5724, 112635), (7155, 90108), (7509, 85860), (8586, 75090), (9540, 67581), (10012, 64395), (12515, 51516), (12879, 50060), (14310, 45054), (15018, 42930), (17172, 37545), (21465, 30036), (22527, 28620), (25030, 25758)]