398987280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{881}}^1$

素因数の和:954

約数の個数: 240

約数和(自身を含む): 1458750384

約数和(自身を除く): 1059763104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 37, 40, 45, 48, 51, 60, 68, 72, 74, 80, 85, 90, 102, 111, 120, 136, 144, 148, 153, 170, 180, 185, 204, 222, 240, 255, 272, 296, 306, 333, 340, 360, 370, 408, 444, 510, 555, 592, 612, 629, 666, 680, 720, 740, 765, 816, 881, 888, 1020, 1110, 1224, 1258, 1332, 1360, 1480, 1530, 1665, 1762, 1776, 1887, 2040, 2220, 2448, 2516, 2643, 2664, 2960, 3060, 3145, 3330, 3524, 3774, 4080, 4405, 4440, 5032, 5286, 5328, 5661, 6120, 6290, 6660, 7048, 7548, 7929, 8810, 8880, 9435, 10064, 10572, 11322, 12240, 12580, 13215, 13320, 14096, 14977, 15096, 15858, 17620, 18870, 21144, 22644, 25160, 26430, 26640, 28305, 29954, 30192, 31716, 32597, 35240, 37740, 39645, 42288, 44931, 45288, 50320, 52860, 56610, 59908, 63432, 65194, 70480, 74885, 75480, 79290, 89862, 90576, 97791, 105720, 113220, 119816, 126864, 130388, 134793, 149770, 150960, 158580, 162985, 179724, 195582, 211440, 224655, 226440, 239632, 260776, 269586, 293373, 299540, 317160, 325970, 359448, 391164, 449310, 452880, 488955, 521552, 539172, 554149, 586746, 599080, 634320, 651940, 673965, 718896, 782328, 898620, 977910, 1078344, 1108298, 1173492, 1198160, 1303880, 1347930, 1466865, 1564656, 1662447, 1797240, 1955820, 2156688, 2216596, 2346984, 2607760, 2695860, 2770745, 2933730, 3324894, 3594480, 3911640, 4433192, 4693968, 4987341, 5391720, 5541490, 5867460, 6649788, 7823280, 8312235, 8866384, 9974682, 10783440, 11082980, 11734920, 13299576, 16624470, 19949364, 22165960, 23469840, 24936705, 26599152, 33248940, 39898728, 44331920, 49873410, 66497880, 79797456, 99746820, 132995760, 199493640, 398987280]

約数ペア:

[(1, 398987280), (2, 199493640), (3, 132995760), (4, 99746820), (5, 79797456), (6, 66497880), (8, 49873410), (9, 44331920), (10, 39898728), (12, 33248940), (15, 26599152), (16, 24936705), (17, 23469840), (18, 22165960), (20, 19949364), (24, 16624470), (30, 13299576), (34, 11734920), (36, 11082980), (37, 10783440), (40, 9974682), (45, 8866384), (48, 8312235), (51, 7823280), (60, 6649788), (68, 5867460), (72, 5541490), (74, 5391720), (80, 4987341), (85, 4693968), (90, 4433192), (102, 3911640), (111, 3594480), (120, 3324894), (136, 2933730), (144, 2770745), (148, 2695860), (153, 2607760), (170, 2346984), (180, 2216596), (185, 2156688), (204, 1955820), (222, 1797240), (240, 1662447), (255, 1564656), (272, 1466865), (296, 1347930), (306, 1303880), (333, 1198160), (340, 1173492), (360, 1108298), (370, 1078344), (408, 977910), (444, 898620), (510, 782328), (555, 718896), (592, 673965), (612, 651940), (629, 634320), (666, 599080), (680, 586746), (720, 554149), (740, 539172), (765, 521552), (816, 488955), (881, 452880), (888, 449310), (1020, 391164), (1110, 359448), (1224, 325970), (1258, 317160), (1332, 299540), (1360, 293373), (1480, 269586), (1530, 260776), (1665, 239632), (1762, 226440), (1776, 224655), (1887, 211440), (2040, 195582), (2220, 179724), (2448, 162985), (2516, 158580), (2643, 150960), (2664, 149770), (2960, 134793), (3060, 130388), (3145, 126864), (3330, 119816), (3524, 113220), (3774, 105720), (4080, 97791), (4405, 90576), (4440, 89862), (5032, 79290), (5286, 75480), (5328, 74885), (5661, 70480), (6120, 65194), (6290, 63432), (6660, 59908), (7048, 56610), (7548, 52860), (7929, 50320), (8810, 45288), (8880, 44931), (9435, 42288), (10064, 39645), (10572, 37740), (11322, 35240), (12240, 32597), (12580, 31716), (13215, 30192), (13320, 29954), (14096, 28305), (14977, 26640), (15096, 26430), (15858, 25160), (17620, 22644), (18870, 21144)]