140556780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8581}}^1$

素因数の和:8616

約数の個数: 144

約数和(自身を含む): 524806464

約数和(自身を除く): 384249684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 8581, 16380, 17162, 25743, 34324, 42905, 51486, 60067, 77229, 85810, 102972, 111553, 120134, 128715, 154458, 171620, 180201, 223106, 240268, 257430, 300335, 308916, 334659, 360402, 386145, 446212, 514860, 540603, 557765, 600670, 669318, 720804, 772290, 780871, 901005, 1003977, 1081206, 1115530, 1201340, 1338636, 1544580, 1561742, 1673295, 1802010, 2007954, 2162412, 2231060, 2342613, 2703015, 3123484, 3346590, 3604020, 3904355, 4015908, 4685226, 5019885, 5406030, 6693180, 7027839, 7808710, 9370452, 10039770, 10812060, 11713065, 14055678, 15617420, 20079540, 23426130, 28111356, 35139195, 46852260, 70278390, 140556780]

約数ペア:

[(1, 140556780), (2, 70278390), (3, 46852260), (4, 35139195), (5, 28111356), (6, 23426130), (7, 20079540), (9, 15617420), (10, 14055678), (12, 11713065), (13, 10812060), (14, 10039770), (15, 9370452), (18, 7808710), (20, 7027839), (21, 6693180), (26, 5406030), (28, 5019885), (30, 4685226), (35, 4015908), (36, 3904355), (39, 3604020), (42, 3346590), (45, 3123484), (52, 2703015), (60, 2342613), (63, 2231060), (65, 2162412), (70, 2007954), (78, 1802010), (84, 1673295), (90, 1561742), (91, 1544580), (105, 1338636), (117, 1201340), (126, 1115530), (130, 1081206), (140, 1003977), (156, 901005), (180, 780871), (182, 772290), (195, 720804), (210, 669318), (234, 600670), (252, 557765), (260, 540603), (273, 514860), (315, 446212), (364, 386145), (390, 360402), (420, 334659), (455, 308916), (468, 300335), (546, 257430), (585, 240268), (630, 223106), (780, 180201), (819, 171620), (910, 154458), (1092, 128715), (1170, 120134), (1260, 111553), (1365, 102972), (1638, 85810), (1820, 77229), (2340, 60067), (2730, 51486), (3276, 42905), (4095, 34324), (5460, 25743), (8190, 17162), (8581, 16380)]