64984275

素因数分解:

$3^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:607

約数の個数: 72

約数和(自身を含む): 127283520

約数和(自身を除く): 62299245

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 243, 285, 405, 475, 513, 563, 675, 855, 1215, 1425, 1539, 1689, 2025, 2565, 2815, 4275, 4617, 5067, 6075, 7695, 8445, 10697, 12825, 14075, 15201, 23085, 25335, 32091, 38475, 42225, 45603, 53485, 76005, 96273, 115425, 126675, 136809, 160455, 228015, 267425, 288819, 380025, 481365, 684045, 802275, 866457, 1140075, 1444095, 2406825, 2599371, 3420225, 4332285, 7220475, 12996855, 21661425, 64984275]

約数ペア:

[(1, 64984275), (3, 21661425), (5, 12996855), (9, 7220475), (15, 4332285), (19, 3420225), (25, 2599371), (27, 2406825), (45, 1444095), (57, 1140075), (75, 866457), (81, 802275), (95, 684045), (135, 481365), (171, 380025), (225, 288819), (243, 267425), (285, 228015), (405, 160455), (475, 136809), (513, 126675), (563, 115425), (675, 96273), (855, 76005), (1215, 53485), (1425, 45603), (1539, 42225), (1689, 38475), (2025, 32091), (2565, 25335), (2815, 23085), (4275, 15201), (4617, 14075), (5067, 12825), (6075, 10697), (7695, 8445)]