280067520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^2$

素因数の和:299

約数の個数: 168

約数和(自身を含む): 948763152

約数和(自身を除く): 668695632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 131, 136, 160, 170, 192, 204, 240, 255, 262, 272, 320, 340, 393, 408, 480, 510, 524, 544, 655, 680, 786, 816, 960, 1020, 1048, 1088, 1310, 1360, 1572, 1632, 1965, 2040, 2096, 2227, 2620, 2720, 3144, 3264, 3930, 4080, 4192, 4454, 5240, 5440, 6288, 6681, 7860, 8160, 8384, 8908, 10480, 11135, 12576, 13362, 15720, 16320, 17161, 17816, 20960, 22270, 25152, 26724, 31440, 33405, 34322, 35632, 41920, 44540, 51483, 53448, 62880, 66810, 68644, 71264, 85805, 89080, 102966, 106896, 125760, 133620, 137288, 142528, 171610, 178160, 205932, 213792, 257415, 267240, 274576, 291737, 343220, 356320, 411864, 427584, 514830, 534480, 549152, 583474, 686440, 712640, 823728, 875211, 1029660, 1068960, 1098304, 1166948, 1372880, 1458685, 1647456, 1750422, 2059320, 2137920, 2333896, 2745760, 2917370, 3294912, 3500844, 4118640, 4376055, 4667792, 5491520, 5834740, 7001688, 8237280, 8752110, 9335584, 11669480, 14003376, 16474560, 17504220, 18671168, 23338960, 28006752, 35008440, 46677920, 56013504, 70016880, 93355840, 140033760, 280067520]

約数ペア:

[(1, 280067520), (2, 140033760), (3, 93355840), (4, 70016880), (5, 56013504), (6, 46677920), (8, 35008440), (10, 28006752), (12, 23338960), (15, 18671168), (16, 17504220), (17, 16474560), (20, 14003376), (24, 11669480), (30, 9335584), (32, 8752110), (34, 8237280), (40, 7001688), (48, 5834740), (51, 5491520), (60, 4667792), (64, 4376055), (68, 4118640), (80, 3500844), (85, 3294912), (96, 2917370), (102, 2745760), (120, 2333896), (131, 2137920), (136, 2059320), (160, 1750422), (170, 1647456), (192, 1458685), (204, 1372880), (240, 1166948), (255, 1098304), (262, 1068960), (272, 1029660), (320, 875211), (340, 823728), (393, 712640), (408, 686440), (480, 583474), (510, 549152), (524, 534480), (544, 514830), (655, 427584), (680, 411864), (786, 356320), (816, 343220), (960, 291737), (1020, 274576), (1048, 267240), (1088, 257415), (1310, 213792), (1360, 205932), (1572, 178160), (1632, 171610), (1965, 142528), (2040, 137288), (2096, 133620), (2227, 125760), (2620, 106896), (2720, 102966), (3144, 89080), (3264, 85805), (3930, 71264), (4080, 68644), (4192, 66810), (4454, 62880), (5240, 53448), (5440, 51483), (6288, 44540), (6681, 41920), (7860, 35632), (8160, 34322), (8384, 33405), (8908, 31440), (10480, 26724), (11135, 25152), (12576, 22270), (13362, 20960), (15720, 17816), (16320, 17161)]