68232420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 221719680

約数和(自身を除く): 153487260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 71, 76, 90, 95, 114, 142, 171, 180, 190, 213, 228, 281, 284, 285, 342, 355, 380, 426, 562, 570, 639, 684, 710, 843, 852, 855, 1065, 1124, 1140, 1278, 1349, 1405, 1420, 1686, 1710, 2130, 2529, 2556, 2698, 2810, 3195, 3372, 3420, 4047, 4215, 4260, 5058, 5339, 5396, 5620, 6390, 6745, 8094, 8430, 10116, 10678, 12141, 12645, 12780, 13490, 16017, 16188, 16860, 19951, 20235, 21356, 24282, 25290, 26695, 26980, 32034, 39902, 40470, 48051, 48564, 50580, 53390, 59853, 60705, 64068, 79804, 80085, 80940, 96102, 99755, 106780, 119706, 121410, 160170, 179559, 192204, 199510, 239412, 240255, 242820, 299265, 320340, 359118, 379069, 399020, 480510, 598530, 718236, 758138, 897795, 961020, 1137207, 1197060, 1516276, 1795590, 1895345, 2274414, 3411621, 3591180, 3790690, 4548828, 5686035, 6823242, 7581380, 11372070, 13646484, 17058105, 22744140, 34116210, 68232420]

約数ペア:

[(1, 68232420), (2, 34116210), (3, 22744140), (4, 17058105), (5, 13646484), (6, 11372070), (9, 7581380), (10, 6823242), (12, 5686035), (15, 4548828), (18, 3790690), (19, 3591180), (20, 3411621), (30, 2274414), (36, 1895345), (38, 1795590), (45, 1516276), (57, 1197060), (60, 1137207), (71, 961020), (76, 897795), (90, 758138), (95, 718236), (114, 598530), (142, 480510), (171, 399020), (180, 379069), (190, 359118), (213, 320340), (228, 299265), (281, 242820), (284, 240255), (285, 239412), (342, 199510), (355, 192204), (380, 179559), (426, 160170), (562, 121410), (570, 119706), (639, 106780), (684, 99755), (710, 96102), (843, 80940), (852, 80085), (855, 79804), (1065, 64068), (1124, 60705), (1140, 59853), (1278, 53390), (1349, 50580), (1405, 48564), (1420, 48051), (1686, 40470), (1710, 39902), (2130, 32034), (2529, 26980), (2556, 26695), (2698, 25290), (2810, 24282), (3195, 21356), (3372, 20235), (3420, 19951), (4047, 16860), (4215, 16188), (4260, 16017), (5058, 13490), (5339, 12780), (5396, 12645), (5620, 12141), (6390, 10678), (6745, 10116), (8094, 8430)]