213831540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{91381}}^1$

素因数の和:91409

約数の個数: 72

約数和(自身を含む): 698524008

約数和(自身を除く): 484692468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 91381, 182762, 274143, 365524, 456905, 548286, 822429, 913810, 1096572, 1187953, 1370715, 1644858, 1827620, 2375906, 2741430, 3289716, 3563859, 4112145, 4751812, 5482860, 5939765, 7127718, 8224290, 10691577, 11879530, 14255436, 16448580, 17819295, 21383154, 23759060, 35638590, 42766308, 53457885, 71277180, 106915770, 213831540]

約数ペア:

[(1, 213831540), (2, 106915770), (3, 71277180), (4, 53457885), (5, 42766308), (6, 35638590), (9, 23759060), (10, 21383154), (12, 17819295), (13, 16448580), (15, 14255436), (18, 11879530), (20, 10691577), (26, 8224290), (30, 7127718), (36, 5939765), (39, 5482860), (45, 4751812), (52, 4112145), (60, 3563859), (65, 3289716), (78, 2741430), (90, 2375906), (117, 1827620), (130, 1644858), (156, 1370715), (180, 1187953), (195, 1096572), (234, 913810), (260, 822429), (390, 548286), (468, 456905), (585, 365524), (780, 274143), (1170, 182762), (2340, 91381)]