81341220960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{406381}}^1$

素因数の和:406541

約数の個数: 144

約数和(自身を含む): 279574560720

約数和(自身を除く): 198233339760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 139, 144, 160, 180, 240, 278, 288, 360, 417, 480, 556, 695, 720, 834, 1112, 1251, 1390, 1440, 1668, 2085, 2224, 2502, 2780, 3336, 4170, 4448, 5004, 5560, 6255, 6672, 8340, 10008, 11120, 12510, 13344, 16680, 20016, 22240, 25020, 33360, 40032, 50040, 66720, 100080, 200160, 406381, 812762, 1219143, 1625524, 2031905, 2438286, 3251048, 3657429, 4063810, 4876572, 6095715, 6502096, 7314858, 8127620, 9753144, 12191430, 13004192, 14629716, 16255240, 18287145, 19506288, 24382860, 29259432, 32510480, 36574290, 39012576, 48765720, 56486959, 58518864, 65020960, 73148580, 97531440, 112973918, 117037728, 146297160, 169460877, 195062880, 225947836, 282434795, 292594320, 338921754, 451895672, 508382631, 564869590, 585188640, 677843508, 847304385, 903791344, 1016765262, 1129739180, 1355687016, 1694608770, 1807582688, 2033530524, 2259478360, 2541913155, 2711374032, 3389217540, 4067061048, 4518956720, 5083826310, 5422748064, 6778435080, 8134122096, 9037913440, 10167652620, 13556870160, 16268244192, 20335305240, 27113740320, 40670610480, 81341220960]

約数ペア:

[(1, 81341220960), (2, 40670610480), (3, 27113740320), (4, 20335305240), (5, 16268244192), (6, 13556870160), (8, 10167652620), (9, 9037913440), (10, 8134122096), (12, 6778435080), (15, 5422748064), (16, 5083826310), (18, 4518956720), (20, 4067061048), (24, 3389217540), (30, 2711374032), (32, 2541913155), (36, 2259478360), (40, 2033530524), (45, 1807582688), (48, 1694608770), (60, 1355687016), (72, 1129739180), (80, 1016765262), (90, 903791344), (96, 847304385), (120, 677843508), (139, 585188640), (144, 564869590), (160, 508382631), (180, 451895672), (240, 338921754), (278, 292594320), (288, 282434795), (360, 225947836), (417, 195062880), (480, 169460877), (556, 146297160), (695, 117037728), (720, 112973918), (834, 97531440), (1112, 73148580), (1251, 65020960), (1390, 58518864), (1440, 56486959), (1668, 48765720), (2085, 39012576), (2224, 36574290), (2502, 32510480), (2780, 29259432), (3336, 24382860), (4170, 19506288), (4448, 18287145), (5004, 16255240), (5560, 14629716), (6255, 13004192), (6672, 12191430), (8340, 9753144), (10008, 8127620), (11120, 7314858), (12510, 6502096), (13344, 6095715), (16680, 4876572), (20016, 4063810), (22240, 3657429), (25020, 3251048), (33360, 2438286), (40032, 2031905), (50040, 1625524), (66720, 1219143), (100080, 812762), (200160, 406381)]