39121740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:592

約数の個数: 144

約数和(自身を含む): 138116160

約数和(自身を除く): 98994420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 509, 549, 610, 630, 732, 854, 915, 1018, 1098, 1220, 1260, 1281, 1527, 1708, 1830, 2036, 2135, 2196, 2545, 2562, 2745, 3054, 3563, 3660, 3843, 4270, 4581, 5090, 5124, 5490, 6108, 6405, 7126, 7635, 7686, 8540, 9162, 10180, 10689, 10980, 12810, 14252, 15270, 15372, 17815, 18324, 19215, 21378, 22905, 25620, 30540, 31049, 32067, 35630, 38430, 42756, 45810, 53445, 62098, 64134, 71260, 76860, 91620, 93147, 106890, 124196, 128268, 155245, 160335, 186294, 213780, 217343, 279441, 310490, 320670, 372588, 434686, 465735, 558882, 620980, 641340, 652029, 869372, 931470, 1086715, 1117764, 1304058, 1397205, 1862940, 1956087, 2173430, 2608116, 2794410, 3260145, 3912174, 4346860, 5588820, 6520290, 7824348, 9780435, 13040580, 19560870, 39121740]

約数ペア:

[(1, 39121740), (2, 19560870), (3, 13040580), (4, 9780435), (5, 7824348), (6, 6520290), (7, 5588820), (9, 4346860), (10, 3912174), (12, 3260145), (14, 2794410), (15, 2608116), (18, 2173430), (20, 1956087), (21, 1862940), (28, 1397205), (30, 1304058), (35, 1117764), (36, 1086715), (42, 931470), (45, 869372), (60, 652029), (61, 641340), (63, 620980), (70, 558882), (84, 465735), (90, 434686), (105, 372588), (122, 320670), (126, 310490), (140, 279441), (180, 217343), (183, 213780), (210, 186294), (244, 160335), (252, 155245), (305, 128268), (315, 124196), (366, 106890), (420, 93147), (427, 91620), (509, 76860), (549, 71260), (610, 64134), (630, 62098), (732, 53445), (854, 45810), (915, 42756), (1018, 38430), (1098, 35630), (1220, 32067), (1260, 31049), (1281, 30540), (1527, 25620), (1708, 22905), (1830, 21378), (2036, 19215), (2135, 18324), (2196, 17815), (2545, 15372), (2562, 15270), (2745, 14252), (3054, 12810), (3563, 10980), (3660, 10689), (3843, 10180), (4270, 9162), (4581, 8540), (5090, 7686), (5124, 7635), (5490, 7126), (6108, 6405)]