20499617280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157013}}^1$

素因数の和:157056

約数の個数: 160

約数和(自身を含む): 69390139104

約数和(自身を除く): 48890521824

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, 640, 680, 768, 816, 960, 1020, 1088, 1280, 1360, 1536, 1632, 1920, 2040, 2176, 2560, 2720, 3264, 3840, 4080, 4352, 5440, 6528, 7680, 8160, 8704, 10880, 13056, 16320, 21760, 26112, 32640, 43520, 65280, 130560, 157013, 314026, 471039, 628052, 785065, 942078, 1256104, 1570130, 1884156, 2355195, 2512208, 2669221, 3140260, 3768312, 4710390, 5024416, 5338442, 6280520, 7536624, 8007663, 9420780, 10048832, 10676884, 12561040, 13346105, 15073248, 16015326, 18841560, 20097664, 21353768, 25122080, 26692210, 30146496, 32030652, 37683120, 40038315, 40195328, 42707536, 50244160, 53384420, 60292992, 64061304, 75366240, 80076630, 80390656, 85415072, 100488320, 106768840, 120585984, 128122608, 150732480, 160153260, 170830144, 200976640, 213537680, 241171968, 256245216, 301464960, 320306520, 341660288, 401953280, 427075360, 512490432, 602929920, 640613040, 683320576, 854150720, 1024980864, 1205859840, 1281226080, 1366641152, 1708301440, 2049961728, 2562452160, 3416602880, 4099923456, 5124904320, 6833205760, 10249808640, 20499617280]

約数ペア:

[(1, 20499617280), (2, 10249808640), (3, 6833205760), (4, 5124904320), (5, 4099923456), (6, 3416602880), (8, 2562452160), (10, 2049961728), (12, 1708301440), (15, 1366641152), (16, 1281226080), (17, 1205859840), (20, 1024980864), (24, 854150720), (30, 683320576), (32, 640613040), (34, 602929920), (40, 512490432), (48, 427075360), (51, 401953280), (60, 341660288), (64, 320306520), (68, 301464960), (80, 256245216), (85, 241171968), (96, 213537680), (102, 200976640), (120, 170830144), (128, 160153260), (136, 150732480), (160, 128122608), (170, 120585984), (192, 106768840), (204, 100488320), (240, 85415072), (255, 80390656), (256, 80076630), (272, 75366240), (320, 64061304), (340, 60292992), (384, 53384420), (408, 50244160), (480, 42707536), (510, 40195328), (512, 40038315), (544, 37683120), (640, 32030652), (680, 30146496), (768, 26692210), (816, 25122080), (960, 21353768), (1020, 20097664), (1088, 18841560), (1280, 16015326), (1360, 15073248), (1536, 13346105), (1632, 12561040), (1920, 10676884), (2040, 10048832), (2176, 9420780), (2560, 8007663), (2720, 7536624), (3264, 6280520), (3840, 5338442), (4080, 5024416), (4352, 4710390), (5440, 3768312), (6528, 3140260), (7680, 2669221), (8160, 2512208), (8704, 2355195), (10880, 1884156), (13056, 1570130), (16320, 1256104), (21760, 942078), (26112, 785065), (32640, 628052), (43520, 471039), (65280, 314026), (130560, 157013)]