215411560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 256

約数和(自身を含む): 650280960

約数和(自身を除く): 434869400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 31, 35, 40, 46, 52, 56, 62, 65, 70, 83, 91, 92, 104, 115, 124, 130, 140, 155, 161, 166, 182, 184, 217, 230, 248, 260, 280, 299, 310, 322, 332, 364, 403, 415, 434, 455, 460, 520, 581, 598, 620, 644, 664, 713, 728, 805, 806, 830, 868, 910, 920, 1079, 1085, 1162, 1196, 1240, 1288, 1426, 1495, 1610, 1612, 1660, 1736, 1820, 1909, 2015, 2093, 2158, 2170, 2324, 2392, 2573, 2821, 2852, 2905, 2990, 3220, 3224, 3320, 3565, 3640, 3818, 4030, 4186, 4316, 4340, 4648, 4991, 5146, 5395, 5642, 5704, 5810, 5980, 6440, 7130, 7553, 7636, 8060, 8372, 8632, 8680, 9269, 9545, 9982, 10292, 10465, 10790, 11284, 11620, 11960, 12865, 13363, 14105, 14260, 15106, 15272, 16120, 16744, 18011, 18538, 19090, 19964, 20584, 20930, 21580, 22568, 23240, 24817, 24955, 25730, 26726, 28210, 28520, 30212, 33449, 36022, 37076, 37765, 38180, 39928, 41860, 43160, 46345, 49634, 49910, 51460, 53452, 56420, 59179, 60424, 64883, 66815, 66898, 72044, 74152, 75530, 76360, 83720, 90055, 92690, 99268, 99820, 102920, 106904, 112840, 118358, 124085, 129766, 133630, 133796, 144088, 151060, 167245, 173719, 180110, 185380, 198536, 199640, 234143, 236716, 248170, 259532, 267260, 267592, 295895, 302120, 324415, 334490, 347438, 360220, 370760, 414253, 468286, 473432, 496340, 519064, 534520, 591790, 648830, 668980, 694876, 720440, 769327, 828506, 868595, 936572, 992680, 1170715, 1183580, 1297660, 1337960, 1389752, 1538654, 1657012, 1737190, 1873144, 2071265, 2341430, 2367160, 2595320, 3077308, 3314024, 3474380, 3846635, 4142530, 4682860, 5385289, 6154616, 6948760, 7693270, 8285060, 9365720, 10770578, 15386540, 16570120, 21541156, 26926445, 30773080, 43082312, 53852890, 107705780, 215411560]

約数ペア:

[(1, 215411560), (2, 107705780), (4, 53852890), (5, 43082312), (7, 30773080), (8, 26926445), (10, 21541156), (13, 16570120), (14, 15386540), (20, 10770578), (23, 9365720), (26, 8285060), (28, 7693270), (31, 6948760), (35, 6154616), (40, 5385289), (46, 4682860), (52, 4142530), (56, 3846635), (62, 3474380), (65, 3314024), (70, 3077308), (83, 2595320), (91, 2367160), (92, 2341430), (104, 2071265), (115, 1873144), (124, 1737190), (130, 1657012), (140, 1538654), (155, 1389752), (161, 1337960), (166, 1297660), (182, 1183580), (184, 1170715), (217, 992680), (230, 936572), (248, 868595), (260, 828506), (280, 769327), (299, 720440), (310, 694876), (322, 668980), (332, 648830), (364, 591790), (403, 534520), (415, 519064), (434, 496340), (455, 473432), (460, 468286), (520, 414253), (581, 370760), (598, 360220), (620, 347438), (644, 334490), (664, 324415), (713, 302120), (728, 295895), (805, 267592), (806, 267260), (830, 259532), (868, 248170), (910, 236716), (920, 234143), (1079, 199640), (1085, 198536), (1162, 185380), (1196, 180110), (1240, 173719), (1288, 167245), (1426, 151060), (1495, 144088), (1610, 133796), (1612, 133630), (1660, 129766), (1736, 124085), (1820, 118358), (1909, 112840), (2015, 106904), (2093, 102920), (2158, 99820), (2170, 99268), (2324, 92690), (2392, 90055), (2573, 83720), (2821, 76360), (2852, 75530), (2905, 74152), (2990, 72044), (3220, 66898), (3224, 66815), (3320, 64883), (3565, 60424), (3640, 59179), (3818, 56420), (4030, 53452), (4186, 51460), (4316, 49910), (4340, 49634), (4648, 46345), (4991, 43160), (5146, 41860), (5395, 39928), (5642, 38180), (5704, 37765), (5810, 37076), (5980, 36022), (6440, 33449), (7130, 30212), (7553, 28520), (7636, 28210), (8060, 26726), (8372, 25730), (8632, 24955), (8680, 24817), (9269, 23240), (9545, 22568), (9982, 21580), (10292, 20930), (10465, 20584), (10790, 19964), (11284, 19090), (11620, 18538), (11960, 18011), (12865, 16744), (13363, 16120), (14105, 15272), (14260, 15106)]