255715320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:462

約数の個数: 192

約数和(自身を含む): 901320480

約数和(自身を除く): 645605160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 157, 168, 196, 210, 245, 277, 280, 294, 314, 392, 420, 471, 490, 554, 588, 628, 735, 785, 831, 840, 942, 980, 1099, 1108, 1176, 1256, 1385, 1470, 1570, 1662, 1884, 1939, 1960, 2198, 2216, 2355, 2770, 2940, 3140, 3297, 3324, 3768, 3878, 4155, 4396, 4710, 5495, 5540, 5817, 5880, 6280, 6594, 6648, 7693, 7756, 8310, 8792, 9420, 9695, 10990, 11080, 11634, 13188, 13573, 15386, 15512, 16485, 16620, 18840, 19390, 21980, 23079, 23268, 26376, 27146, 29085, 30772, 32970, 33240, 38465, 38780, 40719, 43489, 43960, 46158, 46536, 54292, 58170, 61544, 65940, 67865, 76930, 77560, 81438, 86978, 92316, 108584, 115395, 116340, 130467, 131880, 135730, 153860, 162876, 173956, 184632, 203595, 217445, 230790, 232680, 260934, 271460, 304423, 307720, 325752, 347912, 407190, 434890, 461580, 521868, 542920, 608846, 652335, 814380, 869780, 913269, 923160, 1043736, 1217692, 1304670, 1522115, 1628760, 1739560, 1826538, 2130961, 2435384, 2609340, 3044230, 3653076, 4261922, 4566345, 5218680, 6088460, 6392883, 7306152, 8523844, 9132690, 10654805, 12176920, 12785766, 17047688, 18265380, 21309610, 25571532, 31964415, 36530760, 42619220, 51143064, 63928830, 85238440, 127857660, 255715320]

約数ペア:

[(1, 255715320), (2, 127857660), (3, 85238440), (4, 63928830), (5, 51143064), (6, 42619220), (7, 36530760), (8, 31964415), (10, 25571532), (12, 21309610), (14, 18265380), (15, 17047688), (20, 12785766), (21, 12176920), (24, 10654805), (28, 9132690), (30, 8523844), (35, 7306152), (40, 6392883), (42, 6088460), (49, 5218680), (56, 4566345), (60, 4261922), (70, 3653076), (84, 3044230), (98, 2609340), (105, 2435384), (120, 2130961), (140, 1826538), (147, 1739560), (157, 1628760), (168, 1522115), (196, 1304670), (210, 1217692), (245, 1043736), (277, 923160), (280, 913269), (294, 869780), (314, 814380), (392, 652335), (420, 608846), (471, 542920), (490, 521868), (554, 461580), (588, 434890), (628, 407190), (735, 347912), (785, 325752), (831, 307720), (840, 304423), (942, 271460), (980, 260934), (1099, 232680), (1108, 230790), (1176, 217445), (1256, 203595), (1385, 184632), (1470, 173956), (1570, 162876), (1662, 153860), (1884, 135730), (1939, 131880), (1960, 130467), (2198, 116340), (2216, 115395), (2355, 108584), (2770, 92316), (2940, 86978), (3140, 81438), (3297, 77560), (3324, 76930), (3768, 67865), (3878, 65940), (4155, 61544), (4396, 58170), (4710, 54292), (5495, 46536), (5540, 46158), (5817, 43960), (5880, 43489), (6280, 40719), (6594, 38780), (6648, 38465), (7693, 33240), (7756, 32970), (8310, 30772), (8792, 29085), (9420, 27146), (9695, 26376), (10990, 23268), (11080, 23079), (11634, 21980), (13188, 19390), (13573, 18840), (15386, 16620), (15512, 16485)]