72447480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{37}}^2$

素因数の和:108

約数の個数: 288

約数和(自身を含む): 288716400

約数和(自身を除く): 216268920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 37, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 74, 84, 90, 98, 105, 108, 111, 120, 126, 135, 140, 147, 148, 168, 180, 185, 189, 196, 210, 216, 222, 245, 252, 259, 270, 280, 294, 296, 315, 333, 360, 370, 378, 392, 420, 441, 444, 490, 504, 518, 540, 555, 588, 630, 666, 735, 740, 756, 777, 840, 882, 888, 945, 980, 999, 1036, 1080, 1110, 1176, 1260, 1295, 1323, 1332, 1369, 1470, 1480, 1512, 1554, 1665, 1764, 1813, 1890, 1960, 1998, 2072, 2205, 2220, 2331, 2520, 2590, 2646, 2664, 2738, 2940, 3108, 3330, 3528, 3626, 3780, 3885, 3996, 4107, 4410, 4440, 4662, 4995, 5180, 5292, 5439, 5476, 5880, 6216, 6615, 6660, 6845, 6993, 7252, 7560, 7770, 7992, 8214, 8820, 9065, 9324, 9583, 9990, 10360, 10584, 10878, 10952, 11655, 12321, 13230, 13320, 13690, 13986, 14504, 15540, 16317, 16428, 17640, 18130, 18648, 19166, 19980, 20535, 21756, 23310, 24642, 26460, 27195, 27380, 27972, 28749, 31080, 32634, 32856, 34965, 36260, 36963, 38332, 39960, 41070, 43512, 46620, 47915, 48951, 49284, 52920, 54390, 54760, 55944, 57498, 61605, 65268, 67081, 69930, 72520, 73926, 76664, 81585, 82140, 86247, 93240, 95830, 97902, 98568, 108780, 114996, 123210, 130536, 134162, 139860, 143745, 147852, 163170, 164280, 172494, 184815, 191660, 195804, 201243, 217560, 229992, 244755, 246420, 258741, 268324, 279720, 287490, 295704, 326340, 335405, 344988, 369630, 383320, 391608, 402486, 431235, 489510, 492840, 517482, 536648, 574980, 603729, 652680, 670810, 689976, 739260, 804972, 862470, 979020, 1006215, 1034964, 1149960, 1207458, 1293705, 1341620, 1478520, 1609944, 1724940, 1811187, 1958040, 2012430, 2069928, 2414916, 2587410, 2683240, 3018645, 3449880, 3622374, 4024860, 4829832, 5174820, 6037290, 7244748, 8049720, 9055935, 10349640, 12074580, 14489496, 18111870, 24149160, 36223740, 72447480]

約数ペア:

[(1, 72447480), (2, 36223740), (3, 24149160), (4, 18111870), (5, 14489496), (6, 12074580), (7, 10349640), (8, 9055935), (9, 8049720), (10, 7244748), (12, 6037290), (14, 5174820), (15, 4829832), (18, 4024860), (20, 3622374), (21, 3449880), (24, 3018645), (27, 2683240), (28, 2587410), (30, 2414916), (35, 2069928), (36, 2012430), (37, 1958040), (40, 1811187), (42, 1724940), (45, 1609944), (49, 1478520), (54, 1341620), (56, 1293705), (60, 1207458), (63, 1149960), (70, 1034964), (72, 1006215), (74, 979020), (84, 862470), (90, 804972), (98, 739260), (105, 689976), (108, 670810), (111, 652680), (120, 603729), (126, 574980), (135, 536648), (140, 517482), (147, 492840), (148, 489510), (168, 431235), (180, 402486), (185, 391608), (189, 383320), (196, 369630), (210, 344988), (216, 335405), (222, 326340), (245, 295704), (252, 287490), (259, 279720), (270, 268324), (280, 258741), (294, 246420), (296, 244755), (315, 229992), (333, 217560), (360, 201243), (370, 195804), (378, 191660), (392, 184815), (420, 172494), (441, 164280), (444, 163170), (490, 147852), (504, 143745), (518, 139860), (540, 134162), (555, 130536), (588, 123210), (630, 114996), (666, 108780), (735, 98568), (740, 97902), (756, 95830), (777, 93240), (840, 86247), (882, 82140), (888, 81585), (945, 76664), (980, 73926), (999, 72520), (1036, 69930), (1080, 67081), (1110, 65268), (1176, 61605), (1260, 57498), (1295, 55944), (1323, 54760), (1332, 54390), (1369, 52920), (1470, 49284), (1480, 48951), (1512, 47915), (1554, 46620), (1665, 43512), (1764, 41070), (1813, 39960), (1890, 38332), (1960, 36963), (1998, 36260), (2072, 34965), (2205, 32856), (2220, 32634), (2331, 31080), (2520, 28749), (2590, 27972), (2646, 27380), (2664, 27195), (2738, 26460), (2940, 24642), (3108, 23310), (3330, 21756), (3528, 20535), (3626, 19980), (3780, 19166), (3885, 18648), (3996, 18130), (4107, 17640), (4410, 16428), (4440, 16317), (4662, 15540), (4995, 14504), (5180, 13986), (5292, 13690), (5439, 13320), (5476, 13230), (5880, 12321), (6216, 11655), (6615, 10952), (6660, 10878), (6845, 10584), (6993, 10360), (7252, 9990), (7560, 9583), (7770, 9324), (7992, 9065), (8214, 8820)]