656451120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{210401}}^1$

素因数の和:210430

約数の個数: 80

約数和(自身を含む): 2191547232

約数和(自身を除く): 1535096112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 210401, 420802, 631203, 841604, 1052005, 1262406, 1683208, 2104010, 2524812, 2735213, 3156015, 3366416, 4208020, 5049624, 5470426, 6312030, 8205639, 8416040, 10099248, 10940852, 12624060, 13676065, 16411278, 16832080, 21881704, 25248120, 27352130, 32822556, 41028195, 43763408, 50496240, 54704260, 65645112, 82056390, 109408520, 131290224, 164112780, 218817040, 328225560, 656451120]

約数ペア:

[(1, 656451120), (2, 328225560), (3, 218817040), (4, 164112780), (5, 131290224), (6, 109408520), (8, 82056390), (10, 65645112), (12, 54704260), (13, 50496240), (15, 43763408), (16, 41028195), (20, 32822556), (24, 27352130), (26, 25248120), (30, 21881704), (39, 16832080), (40, 16411278), (48, 13676065), (52, 12624060), (60, 10940852), (65, 10099248), (78, 8416040), (80, 8205639), (104, 6312030), (120, 5470426), (130, 5049624), (156, 4208020), (195, 3366416), (208, 3156015), (240, 2735213), (260, 2524812), (312, 2104010), (390, 1683208), (520, 1262406), (624, 1052005), (780, 841604), (1040, 631203), (1560, 420802), (3120, 210401)]