71348157880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{4253}}^1$

素因数の和:4541

約数の個数: 128

約数和(自身を含む): 168776939520

約数和(自身を除く): 97428781640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 163, 166, 248, 310, 326, 332, 415, 620, 652, 664, 815, 830, 1240, 1304, 1630, 1660, 2573, 3260, 3320, 4253, 5053, 5146, 6520, 8506, 10106, 10292, 12865, 13529, 17012, 20212, 20584, 21265, 25265, 25730, 27058, 34024, 40424, 42530, 50530, 51460, 54116, 67645, 85060, 101060, 102920, 108232, 131843, 135290, 170120, 202120, 263686, 270580, 352999, 419399, 527372, 541160, 659215, 693239, 705998, 838798, 1054744, 1318430, 1386478, 1411996, 1677596, 1764995, 2096995, 2636860, 2772956, 2823992, 3355192, 3466195, 3529990, 4193990, 5273720, 5545912, 6932390, 7059980, 8387980, 10942969, 13864780, 14119960, 16775960, 21490409, 21885938, 27729560, 42980818, 43771876, 54714845, 57538837, 85961636, 87543752, 107452045, 109429690, 115077674, 171923272, 214904090, 218859380, 230155348, 287694185, 429808180, 437718760, 460310696, 575388370, 859616360, 1150776740, 1783703947, 2301553480, 3567407894, 7134815788, 8918519735, 14269631576, 17837039470, 35674078940, 71348157880]

約数ペア:

[(1, 71348157880), (2, 35674078940), (4, 17837039470), (5, 14269631576), (8, 8918519735), (10, 7134815788), (20, 3567407894), (31, 2301553480), (40, 1783703947), (62, 1150776740), (83, 859616360), (124, 575388370), (155, 460310696), (163, 437718760), (166, 429808180), (248, 287694185), (310, 230155348), (326, 218859380), (332, 214904090), (415, 171923272), (620, 115077674), (652, 109429690), (664, 107452045), (815, 87543752), (830, 85961636), (1240, 57538837), (1304, 54714845), (1630, 43771876), (1660, 42980818), (2573, 27729560), (3260, 21885938), (3320, 21490409), (4253, 16775960), (5053, 14119960), (5146, 13864780), (6520, 10942969), (8506, 8387980), (10106, 7059980), (10292, 6932390), (12865, 5545912), (13529, 5273720), (17012, 4193990), (20212, 3529990), (20584, 3466195), (21265, 3355192), (25265, 2823992), (25730, 2772956), (27058, 2636860), (34024, 2096995), (40424, 1764995), (42530, 1677596), (50530, 1411996), (51460, 1386478), (54116, 1318430), (67645, 1054744), (85060, 838798), (101060, 705998), (102920, 693239), (108232, 659215), (131843, 541160), (135290, 527372), (170120, 419399), (202120, 352999), (263686, 270580)]