31550040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:374

約数の個数: 128

約数和(自身を含む): 106444800

約数和(自身を除く): 74894760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 131, 135, 180, 216, 223, 262, 270, 360, 393, 446, 524, 540, 655, 669, 786, 892, 1048, 1080, 1115, 1179, 1310, 1338, 1572, 1784, 1965, 2007, 2230, 2358, 2620, 2676, 3144, 3345, 3537, 3930, 4014, 4460, 4716, 5240, 5352, 5895, 6021, 6690, 7074, 7860, 8028, 8920, 9432, 10035, 11790, 12042, 13380, 14148, 15720, 16056, 17685, 20070, 23580, 24084, 26760, 28296, 29213, 30105, 35370, 40140, 47160, 48168, 58426, 60210, 70740, 80280, 87639, 116852, 120420, 141480, 146065, 175278, 233704, 240840, 262917, 292130, 350556, 438195, 525834, 584260, 701112, 788751, 876390, 1051668, 1168520, 1314585, 1577502, 1752780, 2103336, 2629170, 3155004, 3505560, 3943755, 5258340, 6310008, 7887510, 10516680, 15775020, 31550040]

約数ペア:

[(1, 31550040), (2, 15775020), (3, 10516680), (4, 7887510), (5, 6310008), (6, 5258340), (8, 3943755), (9, 3505560), (10, 3155004), (12, 2629170), (15, 2103336), (18, 1752780), (20, 1577502), (24, 1314585), (27, 1168520), (30, 1051668), (36, 876390), (40, 788751), (45, 701112), (54, 584260), (60, 525834), (72, 438195), (90, 350556), (108, 292130), (120, 262917), (131, 240840), (135, 233704), (180, 175278), (216, 146065), (223, 141480), (262, 120420), (270, 116852), (360, 87639), (393, 80280), (446, 70740), (524, 60210), (540, 58426), (655, 48168), (669, 47160), (786, 40140), (892, 35370), (1048, 30105), (1080, 29213), (1115, 28296), (1179, 26760), (1310, 24084), (1338, 23580), (1572, 20070), (1784, 17685), (1965, 16056), (2007, 15720), (2230, 14148), (2358, 13380), (2620, 12042), (2676, 11790), (3144, 10035), (3345, 9432), (3537, 8920), (3930, 8028), (4014, 7860), (4460, 7074), (4716, 6690), (5240, 6021), (5352, 5895)]