221565720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^2\times {\mathrm{181}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 675052560

約数和(自身を除く): 453486840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 181, 202, 303, 362, 404, 505, 543, 606, 724, 808, 905, 1010, 1086, 1212, 1448, 1515, 1810, 2020, 2172, 2424, 2715, 3030, 3620, 4040, 4344, 5430, 6060, 7240, 10201, 10860, 12120, 18281, 20402, 21720, 30603, 36562, 40804, 51005, 54843, 61206, 73124, 81608, 91405, 102010, 109686, 122412, 146248, 153015, 182810, 204020, 219372, 244824, 274215, 306030, 365620, 408040, 438744, 548430, 612060, 731240, 1096860, 1224120, 1846381, 2193720, 3692762, 5539143, 7385524, 9231905, 11078286, 14771048, 18463810, 22156572, 27695715, 36927620, 44313144, 55391430, 73855240, 110782860, 221565720]

約数ペア:

[(1, 221565720), (2, 110782860), (3, 73855240), (4, 55391430), (5, 44313144), (6, 36927620), (8, 27695715), (10, 22156572), (12, 18463810), (15, 14771048), (20, 11078286), (24, 9231905), (30, 7385524), (40, 5539143), (60, 3692762), (101, 2193720), (120, 1846381), (181, 1224120), (202, 1096860), (303, 731240), (362, 612060), (404, 548430), (505, 438744), (543, 408040), (606, 365620), (724, 306030), (808, 274215), (905, 244824), (1010, 219372), (1086, 204020), (1212, 182810), (1448, 153015), (1515, 146248), (1810, 122412), (2020, 109686), (2172, 102010), (2424, 91405), (2715, 81608), (3030, 73124), (3620, 61206), (4040, 54843), (4344, 51005), (5430, 40804), (6060, 36562), (7240, 30603), (10201, 21720), (10860, 20402), (12120, 18281)]