320172840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:153

約数の個数: 288

約数和(自身を含む): 1178278920

約数和(自身を除く): 858106080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 37, 39, 40, 43, 45, 52, 60, 65, 72, 74, 78, 86, 90, 104, 111, 117, 120, 129, 130, 148, 156, 172, 180, 185, 195, 215, 222, 234, 258, 260, 296, 312, 333, 344, 360, 370, 387, 390, 430, 444, 468, 481, 516, 520, 555, 559, 585, 645, 666, 740, 774, 780, 860, 888, 936, 962, 1032, 1110, 1118, 1170, 1290, 1332, 1443, 1480, 1548, 1560, 1591, 1665, 1677, 1720, 1849, 1924, 1935, 2220, 2236, 2340, 2405, 2580, 2664, 2795, 2886, 3096, 3182, 3330, 3354, 3698, 3848, 3870, 4329, 4440, 4472, 4680, 4773, 4810, 5031, 5160, 5547, 5590, 5772, 6364, 6660, 6708, 7215, 7396, 7740, 7955, 8385, 8658, 9245, 9546, 9620, 10062, 11094, 11180, 11544, 12728, 13320, 13416, 14319, 14430, 14792, 15480, 15910, 16641, 16770, 17316, 18490, 19092, 19240, 20124, 20683, 21645, 22188, 22360, 23865, 24037, 25155, 27735, 28638, 28860, 31820, 33282, 33540, 34632, 36980, 38184, 40248, 41366, 43290, 44376, 47730, 48074, 50310, 55470, 57276, 57720, 62049, 63640, 66564, 67080, 68413, 71595, 72111, 73960, 82732, 83205, 86580, 95460, 96148, 100620, 103415, 110940, 114552, 120185, 124098, 133128, 136826, 143190, 144222, 165464, 166410, 173160, 186147, 190920, 192296, 201240, 205239, 206830, 216333, 221880, 240370, 248196, 273652, 286380, 288444, 310245, 332820, 342065, 360555, 372294, 410478, 413660, 432666, 480740, 496392, 547304, 572760, 576888, 615717, 620490, 665640, 684130, 721110, 744588, 820956, 827320, 865332, 889369, 930735, 961480, 1026195, 1081665, 1231434, 1240980, 1368260, 1442220, 1489176, 1641912, 1730664, 1778738, 1861470, 2052390, 2163330, 2462868, 2481960, 2668107, 2736520, 2884440, 3078585, 3557476, 3722940, 4104780, 4326660, 4446845, 4925736, 5336214, 6157170, 7114952, 7445880, 8004321, 8209560, 8653320, 8893690, 10672428, 12314340, 13340535, 16008642, 17787380, 21344856, 24628680, 26681070, 32017284, 35574760, 40021605, 53362140, 64034568, 80043210, 106724280, 160086420, 320172840]

約数ペア:

[(1, 320172840), (2, 160086420), (3, 106724280), (4, 80043210), (5, 64034568), (6, 53362140), (8, 40021605), (9, 35574760), (10, 32017284), (12, 26681070), (13, 24628680), (15, 21344856), (18, 17787380), (20, 16008642), (24, 13340535), (26, 12314340), (30, 10672428), (36, 8893690), (37, 8653320), (39, 8209560), (40, 8004321), (43, 7445880), (45, 7114952), (52, 6157170), (60, 5336214), (65, 4925736), (72, 4446845), (74, 4326660), (78, 4104780), (86, 3722940), (90, 3557476), (104, 3078585), (111, 2884440), (117, 2736520), (120, 2668107), (129, 2481960), (130, 2462868), (148, 2163330), (156, 2052390), (172, 1861470), (180, 1778738), (185, 1730664), (195, 1641912), (215, 1489176), (222, 1442220), (234, 1368260), (258, 1240980), (260, 1231434), (296, 1081665), (312, 1026195), (333, 961480), (344, 930735), (360, 889369), (370, 865332), (387, 827320), (390, 820956), (430, 744588), (444, 721110), (468, 684130), (481, 665640), (516, 620490), (520, 615717), (555, 576888), (559, 572760), (585, 547304), (645, 496392), (666, 480740), (740, 432666), (774, 413660), (780, 410478), (860, 372294), (888, 360555), (936, 342065), (962, 332820), (1032, 310245), (1110, 288444), (1118, 286380), (1170, 273652), (1290, 248196), (1332, 240370), (1443, 221880), (1480, 216333), (1548, 206830), (1560, 205239), (1591, 201240), (1665, 192296), (1677, 190920), (1720, 186147), (1849, 173160), (1924, 166410), (1935, 165464), (2220, 144222), (2236, 143190), (2340, 136826), (2405, 133128), (2580, 124098), (2664, 120185), (2795, 114552), (2886, 110940), (3096, 103415), (3182, 100620), (3330, 96148), (3354, 95460), (3698, 86580), (3848, 83205), (3870, 82732), (4329, 73960), (4440, 72111), (4472, 71595), (4680, 68413), (4773, 67080), (4810, 66564), (5031, 63640), (5160, 62049), (5547, 57720), (5590, 57276), (5772, 55470), (6364, 50310), (6660, 48074), (6708, 47730), (7215, 44376), (7396, 43290), (7740, 41366), (7955, 40248), (8385, 38184), (8658, 36980), (9245, 34632), (9546, 33540), (9620, 33282), (10062, 31820), (11094, 28860), (11180, 28638), (11544, 27735), (12728, 25155), (13320, 24037), (13416, 23865), (14319, 22360), (14430, 22188), (14792, 21645), (15480, 20683), (15910, 20124), (16641, 19240), (16770, 19092), (17316, 18490)]