19654621440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269389}}^1$

素因数の和:269432

約数の個数: 144

約数和(自身を含む): 66075979200

約数和(自身を除く): 46421357760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 768, 912, 960, 1140, 1216, 1280, 1520, 1824, 1920, 2280, 2432, 3040, 3648, 3840, 4560, 4864, 6080, 7296, 9120, 12160, 14592, 18240, 24320, 36480, 72960, 269389, 538778, 808167, 1077556, 1346945, 1616334, 2155112, 2693890, 3232668, 4040835, 4310224, 5118391, 5387780, 6465336, 8081670, 8620448, 10236782, 10775560, 12930672, 15355173, 16163340, 17240896, 20473564, 21551120, 25591955, 25861344, 30710346, 32326680, 34481792, 40947128, 43102240, 51183910, 51722688, 61420692, 64653360, 68963584, 76775865, 81894256, 86204480, 102367820, 103445376, 122841384, 129306720, 153551730, 163788512, 172408960, 204735640, 206890752, 245682768, 258613440, 307103460, 327577024, 344817920, 409471280, 491365536, 517226880, 614206920, 655154048, 818942560, 982731072, 1034453760, 1228413840, 1310308096, 1637885120, 1965462144, 2456827680, 3275770240, 3930924288, 4913655360, 6551540480, 9827310720, 19654621440]

約数ペア:

[(1, 19654621440), (2, 9827310720), (3, 6551540480), (4, 4913655360), (5, 3930924288), (6, 3275770240), (8, 2456827680), (10, 1965462144), (12, 1637885120), (15, 1310308096), (16, 1228413840), (19, 1034453760), (20, 982731072), (24, 818942560), (30, 655154048), (32, 614206920), (38, 517226880), (40, 491365536), (48, 409471280), (57, 344817920), (60, 327577024), (64, 307103460), (76, 258613440), (80, 245682768), (95, 206890752), (96, 204735640), (114, 172408960), (120, 163788512), (128, 153551730), (152, 129306720), (160, 122841384), (190, 103445376), (192, 102367820), (228, 86204480), (240, 81894256), (256, 76775865), (285, 68963584), (304, 64653360), (320, 61420692), (380, 51722688), (384, 51183910), (456, 43102240), (480, 40947128), (570, 34481792), (608, 32326680), (640, 30710346), (760, 25861344), (768, 25591955), (912, 21551120), (960, 20473564), (1140, 17240896), (1216, 16163340), (1280, 15355173), (1520, 12930672), (1824, 10775560), (1920, 10236782), (2280, 8620448), (2432, 8081670), (3040, 6465336), (3648, 5387780), (3840, 5118391), (4560, 4310224), (4864, 4040835), (6080, 3232668), (7296, 2693890), (9120, 2155112), (12160, 1616334), (14592, 1346945), (18240, 1077556), (24320, 808167), (36480, 538778), (72960, 269389)]