19919472000

素因数分解:

$2^7\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{18043}}^1$

素因数の和:18098

約数の個数: 256

約数和(自身を含む): 68907870720

約数和(自身を除く): 48988398720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 64, 69, 75, 80, 92, 96, 100, 115, 120, 125, 128, 138, 150, 160, 184, 192, 200, 230, 240, 250, 276, 300, 320, 345, 368, 375, 384, 400, 460, 480, 500, 552, 575, 600, 640, 690, 736, 750, 800, 920, 960, 1000, 1104, 1150, 1200, 1380, 1472, 1500, 1600, 1725, 1840, 1920, 2000, 2208, 2300, 2400, 2760, 2875, 2944, 3000, 3200, 3450, 3680, 4000, 4416, 4600, 4800, 5520, 5750, 6000, 6900, 7360, 8000, 8625, 8832, 9200, 9600, 11040, 11500, 12000, 13800, 14720, 16000, 17250, 18043, 18400, 22080, 23000, 24000, 27600, 34500, 36086, 36800, 44160, 46000, 48000, 54129, 55200, 69000, 72172, 73600, 90215, 92000, 108258, 110400, 138000, 144344, 180430, 184000, 216516, 220800, 270645, 276000, 288688, 360860, 368000, 414989, 433032, 451075, 541290, 552000, 577376, 721720, 829978, 866064, 902150, 1082580, 1104000, 1154752, 1244967, 1353225, 1443440, 1659956, 1732128, 1804300, 2074945, 2165160, 2255375, 2309504, 2489934, 2706450, 2886880, 3319912, 3464256, 3608600, 4149890, 4330320, 4510750, 4979868, 5412900, 5773760, 6224835, 6639824, 6766125, 6928512, 7217200, 8299780, 8660640, 9021500, 9959736, 10374725, 10825800, 11547520, 12449670, 13279648, 13532250, 14434400, 16599560, 17321280, 18043000, 19919472, 20749450, 21651600, 24899340, 26559296, 27064500, 28868800, 31124175, 33199120, 34642560, 36086000, 39838944, 41498900, 43303200, 49798680, 51873625, 53118592, 54129000, 57737600, 62248350, 66398240, 72172000, 79677888, 82997800, 86606400, 99597360, 103747250, 108258000, 124496700, 132796480, 144344000, 155620875, 159355776, 165995600, 173212800, 199194720, 207494500, 216516000, 248993400, 265592960, 288688000, 311241750, 331991200, 398389440, 414989000, 433032000, 497986800, 622483500, 663982400, 796778880, 829978000, 866064000, 995973600, 1244967000, 1327964800, 1659956000, 1991947200, 2489934000, 3319912000, 3983894400, 4979868000, 6639824000, 9959736000, 19919472000]

約数ペア:

[(1, 19919472000), (2, 9959736000), (3, 6639824000), (4, 4979868000), (5, 3983894400), (6, 3319912000), (8, 2489934000), (10, 1991947200), (12, 1659956000), (15, 1327964800), (16, 1244967000), (20, 995973600), (23, 866064000), (24, 829978000), (25, 796778880), (30, 663982400), (32, 622483500), (40, 497986800), (46, 433032000), (48, 414989000), (50, 398389440), (60, 331991200), (64, 311241750), (69, 288688000), (75, 265592960), (80, 248993400), (92, 216516000), (96, 207494500), (100, 199194720), (115, 173212800), (120, 165995600), (125, 159355776), (128, 155620875), (138, 144344000), (150, 132796480), (160, 124496700), (184, 108258000), (192, 103747250), (200, 99597360), (230, 86606400), (240, 82997800), (250, 79677888), (276, 72172000), (300, 66398240), (320, 62248350), (345, 57737600), (368, 54129000), (375, 53118592), (384, 51873625), (400, 49798680), (460, 43303200), (480, 41498900), (500, 39838944), (552, 36086000), (575, 34642560), (600, 33199120), (640, 31124175), (690, 28868800), (736, 27064500), (750, 26559296), (800, 24899340), (920, 21651600), (960, 20749450), (1000, 19919472), (1104, 18043000), (1150, 17321280), (1200, 16599560), (1380, 14434400), (1472, 13532250), (1500, 13279648), (1600, 12449670), (1725, 11547520), (1840, 10825800), (1920, 10374725), (2000, 9959736), (2208, 9021500), (2300, 8660640), (2400, 8299780), (2760, 7217200), (2875, 6928512), (2944, 6766125), (3000, 6639824), (3200, 6224835), (3450, 5773760), (3680, 5412900), (4000, 4979868), (4416, 4510750), (4600, 4330320), (4800, 4149890), (5520, 3608600), (5750, 3464256), (6000, 3319912), (6900, 2886880), (7360, 2706450), (8000, 2489934), (8625, 2309504), (8832, 2255375), (9200, 2165160), (9600, 2074945), (11040, 1804300), (11500, 1732128), (12000, 1659956), (13800, 1443440), (14720, 1353225), (16000, 1244967), (17250, 1154752), (18043, 1104000), (18400, 1082580), (22080, 902150), (23000, 866064), (24000, 829978), (27600, 721720), (34500, 577376), (36086, 552000), (36800, 541290), (44160, 451075), (46000, 433032), (48000, 414989), (54129, 368000), (55200, 360860), (69000, 288688), (72172, 276000), (73600, 270645), (90215, 220800), (92000, 216516), (108258, 184000), (110400, 180430), (138000, 144344)]