72207720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 256

約数和(自身を含む): 268128000

約数和(自身を除く): 195920280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 37, 39, 40, 45, 52, 54, 60, 65, 72, 74, 78, 90, 104, 108, 111, 117, 120, 130, 135, 139, 148, 156, 180, 185, 195, 216, 222, 234, 260, 270, 278, 296, 312, 333, 351, 360, 370, 390, 417, 444, 468, 481, 520, 540, 555, 556, 585, 666, 695, 702, 740, 780, 834, 888, 936, 962, 999, 1080, 1110, 1112, 1170, 1251, 1332, 1390, 1404, 1443, 1480, 1560, 1665, 1668, 1755, 1807, 1924, 1998, 2085, 2220, 2340, 2405, 2502, 2664, 2780, 2808, 2886, 3330, 3336, 3510, 3614, 3753, 3848, 3996, 4170, 4329, 4440, 4680, 4810, 4995, 5004, 5143, 5421, 5560, 5772, 6255, 6660, 7020, 7215, 7228, 7506, 7992, 8340, 8658, 9035, 9620, 9990, 10008, 10286, 10842, 11544, 12510, 12987, 13320, 14040, 14430, 14456, 15012, 15429, 16263, 16680, 17316, 18070, 18765, 19240, 19980, 20572, 21645, 21684, 25020, 25715, 25974, 27105, 28860, 30024, 30858, 32526, 34632, 36140, 37530, 39960, 41144, 43290, 43368, 46287, 48789, 50040, 51430, 51948, 54210, 57720, 61716, 64935, 65052, 66859, 72280, 75060, 77145, 81315, 86580, 92574, 97578, 102860, 103896, 108420, 123432, 129870, 130104, 133718, 138861, 150120, 154290, 162630, 173160, 185148, 195156, 200577, 205720, 216840, 231435, 243945, 259740, 267436, 277722, 308580, 325260, 334295, 370296, 390312, 401154, 462870, 487890, 519480, 534872, 555444, 601731, 617160, 650520, 668590, 694305, 802308, 925740, 975780, 1002885, 1110888, 1203462, 1337180, 1388610, 1604616, 1805193, 1851480, 1951560, 2005770, 2406924, 2674360, 2777220, 3008655, 3610386, 4011540, 4813848, 5554440, 6017310, 7220772, 8023080, 9025965, 12034620, 14441544, 18051930, 24069240, 36103860, 72207720]

約数ペア:

[(1, 72207720), (2, 36103860), (3, 24069240), (4, 18051930), (5, 14441544), (6, 12034620), (8, 9025965), (9, 8023080), (10, 7220772), (12, 6017310), (13, 5554440), (15, 4813848), (18, 4011540), (20, 3610386), (24, 3008655), (26, 2777220), (27, 2674360), (30, 2406924), (36, 2005770), (37, 1951560), (39, 1851480), (40, 1805193), (45, 1604616), (52, 1388610), (54, 1337180), (60, 1203462), (65, 1110888), (72, 1002885), (74, 975780), (78, 925740), (90, 802308), (104, 694305), (108, 668590), (111, 650520), (117, 617160), (120, 601731), (130, 555444), (135, 534872), (139, 519480), (148, 487890), (156, 462870), (180, 401154), (185, 390312), (195, 370296), (216, 334295), (222, 325260), (234, 308580), (260, 277722), (270, 267436), (278, 259740), (296, 243945), (312, 231435), (333, 216840), (351, 205720), (360, 200577), (370, 195156), (390, 185148), (417, 173160), (444, 162630), (468, 154290), (481, 150120), (520, 138861), (540, 133718), (555, 130104), (556, 129870), (585, 123432), (666, 108420), (695, 103896), (702, 102860), (740, 97578), (780, 92574), (834, 86580), (888, 81315), (936, 77145), (962, 75060), (999, 72280), (1080, 66859), (1110, 65052), (1112, 64935), (1170, 61716), (1251, 57720), (1332, 54210), (1390, 51948), (1404, 51430), (1443, 50040), (1480, 48789), (1560, 46287), (1665, 43368), (1668, 43290), (1755, 41144), (1807, 39960), (1924, 37530), (1998, 36140), (2085, 34632), (2220, 32526), (2340, 30858), (2405, 30024), (2502, 28860), (2664, 27105), (2780, 25974), (2808, 25715), (2886, 25020), (3330, 21684), (3336, 21645), (3510, 20572), (3614, 19980), (3753, 19240), (3848, 18765), (3996, 18070), (4170, 17316), (4329, 16680), (4440, 16263), (4680, 15429), (4810, 15012), (4995, 14456), (5004, 14430), (5143, 14040), (5421, 13320), (5560, 12987), (5772, 12510), (6255, 11544), (6660, 10842), (7020, 10286), (7215, 10008), (7228, 9990), (7506, 9620), (7992, 9035), (8340, 8658)]