18744564780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{5113}}^1$

素因数の和:5238

約数の個数: 240

約数和(自身を含む): 61542776064

約数和(自身を除く): 42798211284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 73, 81, 90, 93, 108, 124, 135, 146, 155, 162, 180, 186, 219, 270, 279, 292, 310, 324, 365, 372, 405, 438, 465, 540, 558, 620, 657, 730, 810, 837, 876, 930, 1095, 1116, 1314, 1395, 1460, 1620, 1674, 1860, 1971, 2190, 2263, 2511, 2628, 2790, 3285, 3348, 3942, 4185, 4380, 4526, 5022, 5113, 5580, 5913, 6570, 6789, 7884, 8370, 9052, 9855, 10044, 10226, 11315, 11826, 12555, 13140, 13578, 15339, 16740, 19710, 20367, 20452, 22630, 23652, 25110, 25565, 27156, 29565, 30678, 33945, 39420, 40734, 45260, 46017, 50220, 51130, 59130, 61101, 61356, 67890, 76695, 81468, 92034, 101835, 102260, 118260, 122202, 135780, 138051, 153390, 158503, 183303, 184068, 203670, 230085, 244404, 276102, 305505, 306780, 317006, 366606, 373249, 407340, 414153, 460170, 475509, 552204, 611010, 634012, 690255, 733212, 746498, 792515, 828306, 916515, 920340, 951018, 1119747, 1222020, 1380510, 1426527, 1492996, 1585030, 1656612, 1833030, 1866245, 1902036, 2070765, 2239494, 2377545, 2761020, 2853054, 3170060, 3359241, 3666060, 3732490, 4141530, 4279581, 4478988, 4755090, 5598735, 5706108, 6718482, 7132635, 7464980, 8283060, 8559162, 9510180, 10077723, 11197470, 11570719, 12838743, 13436964, 14265270, 16796205, 17118324, 20155446, 21397905, 22394940, 23141438, 25677486, 28530540, 30233169, 33592410, 34712157, 40310892, 42795810, 46282876, 50388615, 51354972, 57853595, 60466338, 64193715, 67184820, 69424314, 85591620, 100777230, 104136471, 115707190, 120932676, 128387430, 138848628, 151165845, 173560785, 201554460, 208272942, 231414380, 256774860, 302331690, 312409413, 347121570, 416545884, 520682355, 604663380, 624818826, 694243140, 937228239, 1041364710, 1249637652, 1562047065, 1874456478, 2082729420, 3124094130, 3748912956, 4686141195, 6248188260, 9372282390, 18744564780]

約数ペア:

[(1, 18744564780), (2, 9372282390), (3, 6248188260), (4, 4686141195), (5, 3748912956), (6, 3124094130), (9, 2082729420), (10, 1874456478), (12, 1562047065), (15, 1249637652), (18, 1041364710), (20, 937228239), (27, 694243140), (30, 624818826), (31, 604663380), (36, 520682355), (45, 416545884), (54, 347121570), (60, 312409413), (62, 302331690), (73, 256774860), (81, 231414380), (90, 208272942), (93, 201554460), (108, 173560785), (124, 151165845), (135, 138848628), (146, 128387430), (155, 120932676), (162, 115707190), (180, 104136471), (186, 100777230), (219, 85591620), (270, 69424314), (279, 67184820), (292, 64193715), (310, 60466338), (324, 57853595), (365, 51354972), (372, 50388615), (405, 46282876), (438, 42795810), (465, 40310892), (540, 34712157), (558, 33592410), (620, 30233169), (657, 28530540), (730, 25677486), (810, 23141438), (837, 22394940), (876, 21397905), (930, 20155446), (1095, 17118324), (1116, 16796205), (1314, 14265270), (1395, 13436964), (1460, 12838743), (1620, 11570719), (1674, 11197470), (1860, 10077723), (1971, 9510180), (2190, 8559162), (2263, 8283060), (2511, 7464980), (2628, 7132635), (2790, 6718482), (3285, 5706108), (3348, 5598735), (3942, 4755090), (4185, 4478988), (4380, 4279581), (4526, 4141530), (5022, 3732490), (5113, 3666060), (5580, 3359241), (5913, 3170060), (6570, 2853054), (6789, 2761020), (7884, 2377545), (8370, 2239494), (9052, 2070765), (9855, 1902036), (10044, 1866245), (10226, 1833030), (11315, 1656612), (11826, 1585030), (12555, 1492996), (13140, 1426527), (13578, 1380510), (15339, 1222020), (16740, 1119747), (19710, 951018), (20367, 920340), (20452, 916515), (22630, 828306), (23652, 792515), (25110, 746498), (25565, 733212), (27156, 690255), (29565, 634012), (30678, 611010), (33945, 552204), (39420, 475509), (40734, 460170), (45260, 414153), (46017, 407340), (50220, 373249), (51130, 366606), (59130, 317006), (61101, 306780), (61356, 305505), (67890, 276102), (76695, 244404), (81468, 230085), (92034, 203670), (101835, 184068), (102260, 183303), (118260, 158503), (122202, 153390), (135780, 138051)]