72721920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1$

素因数の和:600

約数の個数: 160

約数和(自身を含む): 246600288

約数和(自身を除く): 173878368

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, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 510, 512, 544, 557, 640, 680, 768, 816, 960, 1020, 1088, 1114, 1280, 1360, 1536, 1632, 1671, 1920, 2040, 2176, 2228, 2560, 2720, 2785, 3264, 3342, 3840, 4080, 4352, 4456, 5440, 5570, 6528, 6684, 7680, 8160, 8355, 8704, 8912, 9469, 10880, 11140, 13056, 13368, 16320, 16710, 17824, 18938, 21760, 22280, 26112, 26736, 28407, 32640, 33420, 35648, 37876, 43520, 44560, 47345, 53472, 56814, 65280, 66840, 71296, 75752, 89120, 94690, 106944, 113628, 130560, 133680, 142035, 142592, 151504, 178240, 189380, 213888, 227256, 267360, 284070, 285184, 303008, 356480, 378760, 427776, 454512, 534720, 568140, 606016, 712960, 757520, 855552, 909024, 1069440, 1136280, 1212032, 1425920, 1515040, 1818048, 2138880, 2272560, 2424064, 3030080, 3636096, 4277760, 4545120, 4848128, 6060160, 7272192, 9090240, 12120320, 14544384, 18180480, 24240640, 36360960, 72721920]

約数ペア:

[(1, 72721920), (2, 36360960), (3, 24240640), (4, 18180480), (5, 14544384), (6, 12120320), (8, 9090240), (10, 7272192), (12, 6060160), (15, 4848128), (16, 4545120), (17, 4277760), (20, 3636096), (24, 3030080), (30, 2424064), (32, 2272560), (34, 2138880), (40, 1818048), (48, 1515040), (51, 1425920), (60, 1212032), (64, 1136280), (68, 1069440), (80, 909024), (85, 855552), (96, 757520), (102, 712960), (120, 606016), (128, 568140), (136, 534720), (160, 454512), (170, 427776), (192, 378760), (204, 356480), (240, 303008), (255, 285184), (256, 284070), (272, 267360), (320, 227256), (340, 213888), (384, 189380), (408, 178240), (480, 151504), (510, 142592), (512, 142035), (544, 133680), (557, 130560), (640, 113628), (680, 106944), (768, 94690), (816, 89120), (960, 75752), (1020, 71296), (1088, 66840), (1114, 65280), (1280, 56814), (1360, 53472), (1536, 47345), (1632, 44560), (1671, 43520), (1920, 37876), (2040, 35648), (2176, 33420), (2228, 32640), (2560, 28407), (2720, 26736), (2785, 26112), (3264, 22280), (3342, 21760), (3840, 18938), (4080, 17824), (4352, 16710), (4456, 16320), (5440, 13368), (5570, 13056), (6528, 11140), (6684, 10880), (7680, 9469), (8160, 8912), (8355, 8704)]