64388340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 209401920

約数和(自身を除く): 145013580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 67, 76, 90, 95, 114, 134, 171, 180, 190, 201, 228, 268, 281, 285, 335, 342, 380, 402, 562, 570, 603, 670, 684, 804, 843, 855, 1005, 1124, 1140, 1206, 1273, 1340, 1405, 1686, 1710, 2010, 2412, 2529, 2546, 2810, 3015, 3372, 3420, 3819, 4020, 4215, 5058, 5092, 5339, 5620, 6030, 6365, 7638, 8430, 10116, 10678, 11457, 12060, 12645, 12730, 15276, 16017, 16860, 18827, 19095, 21356, 22914, 25290, 25460, 26695, 32034, 37654, 38190, 45828, 48051, 50580, 53390, 56481, 57285, 64068, 75308, 76380, 80085, 94135, 96102, 106780, 112962, 114570, 160170, 169443, 188270, 192204, 225924, 229140, 240255, 282405, 320340, 338886, 357713, 376540, 480510, 564810, 677772, 715426, 847215, 961020, 1073139, 1129620, 1430852, 1694430, 1788565, 2146278, 3219417, 3388860, 3577130, 4292556, 5365695, 6438834, 7154260, 10731390, 12877668, 16097085, 21462780, 32194170, 64388340]

約数ペア:

[(1, 64388340), (2, 32194170), (3, 21462780), (4, 16097085), (5, 12877668), (6, 10731390), (9, 7154260), (10, 6438834), (12, 5365695), (15, 4292556), (18, 3577130), (19, 3388860), (20, 3219417), (30, 2146278), (36, 1788565), (38, 1694430), (45, 1430852), (57, 1129620), (60, 1073139), (67, 961020), (76, 847215), (90, 715426), (95, 677772), (114, 564810), (134, 480510), (171, 376540), (180, 357713), (190, 338886), (201, 320340), (228, 282405), (268, 240255), (281, 229140), (285, 225924), (335, 192204), (342, 188270), (380, 169443), (402, 160170), (562, 114570), (570, 112962), (603, 106780), (670, 96102), (684, 94135), (804, 80085), (843, 76380), (855, 75308), (1005, 64068), (1124, 57285), (1140, 56481), (1206, 53390), (1273, 50580), (1340, 48051), (1405, 45828), (1686, 38190), (1710, 37654), (2010, 32034), (2412, 26695), (2529, 25460), (2546, 25290), (2810, 22914), (3015, 21356), (3372, 19095), (3420, 18827), (3819, 16860), (4020, 16017), (4215, 15276), (5058, 12730), (5092, 12645), (5339, 12060), (5620, 11457), (6030, 10678), (6365, 10116), (7638, 8430)]