18147318320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1\times {\mathrm{821}}^1$

素因数の和:1191

約数の個数: 160

約数和(自身を含む): 45309849984

約数和(自身を除く): 27162531664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 41, 46, 80, 82, 92, 115, 164, 184, 205, 230, 293, 328, 368, 410, 460, 586, 656, 820, 821, 920, 943, 1172, 1465, 1640, 1642, 1840, 1886, 2344, 2930, 3280, 3284, 3772, 4105, 4688, 4715, 5860, 6568, 6739, 7544, 8210, 9430, 11720, 12013, 13136, 13478, 15088, 16420, 18860, 18883, 23440, 24026, 26956, 32840, 33661, 33695, 37720, 37766, 48052, 53912, 60065, 65680, 67322, 67390, 75440, 75532, 94415, 96104, 107824, 120130, 134644, 134780, 151064, 168305, 188830, 192208, 240260, 240553, 269288, 269560, 276299, 302128, 336610, 377660, 480520, 481106, 538576, 539120, 552598, 673220, 755320, 774203, 961040, 962212, 1105196, 1202765, 1346440, 1381495, 1510640, 1548406, 1924424, 2210392, 2405530, 2692880, 2762990, 3096812, 3848848, 3871015, 4420784, 4811060, 5525980, 5532719, 6193624, 7742030, 9622120, 9862673, 11051960, 11065438, 12387248, 15484060, 19244240, 19725346, 22103920, 22130876, 27663595, 30968120, 39450692, 44261752, 49313365, 55327190, 61936240, 78901384, 88523504, 98626730, 110654380, 157802768, 197253460, 221308760, 226841479, 394506920, 442617520, 453682958, 789013840, 907365916, 1134207395, 1814731832, 2268414790, 3629463664, 4536829580, 9073659160, 18147318320]

約数ペア:

[(1, 18147318320), (2, 9073659160), (4, 4536829580), (5, 3629463664), (8, 2268414790), (10, 1814731832), (16, 1134207395), (20, 907365916), (23, 789013840), (40, 453682958), (41, 442617520), (46, 394506920), (80, 226841479), (82, 221308760), (92, 197253460), (115, 157802768), (164, 110654380), (184, 98626730), (205, 88523504), (230, 78901384), (293, 61936240), (328, 55327190), (368, 49313365), (410, 44261752), (460, 39450692), (586, 30968120), (656, 27663595), (820, 22130876), (821, 22103920), (920, 19725346), (943, 19244240), (1172, 15484060), (1465, 12387248), (1640, 11065438), (1642, 11051960), (1840, 9862673), (1886, 9622120), (2344, 7742030), (2930, 6193624), (3280, 5532719), (3284, 5525980), (3772, 4811060), (4105, 4420784), (4688, 3871015), (4715, 3848848), (5860, 3096812), (6568, 2762990), (6739, 2692880), (7544, 2405530), (8210, 2210392), (9430, 1924424), (11720, 1548406), (12013, 1510640), (13136, 1381495), (13478, 1346440), (15088, 1202765), (16420, 1105196), (18860, 962212), (18883, 961040), (23440, 774203), (24026, 755320), (26956, 673220), (32840, 552598), (33661, 539120), (33695, 538576), (37720, 481106), (37766, 480520), (48052, 377660), (53912, 336610), (60065, 302128), (65680, 276299), (67322, 269560), (67390, 269288), (75440, 240553), (75532, 240260), (94415, 192208), (96104, 188830), (107824, 168305), (120130, 151064), (134644, 134780)]