218788920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 288

約数和(自身を含む): 842961600

約数和(自身を除く): 624172680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 79, 84, 90, 98, 105, 120, 126, 140, 147, 157, 158, 168, 180, 196, 210, 237, 245, 252, 280, 294, 314, 315, 316, 360, 392, 395, 420, 441, 471, 474, 490, 504, 553, 588, 628, 630, 632, 711, 735, 785, 790, 840, 882, 942, 948, 980, 1099, 1106, 1176, 1185, 1256, 1260, 1413, 1422, 1470, 1570, 1580, 1659, 1764, 1884, 1896, 1960, 2198, 2205, 2212, 2355, 2370, 2520, 2765, 2826, 2844, 2940, 3140, 3160, 3297, 3318, 3528, 3555, 3768, 3871, 4396, 4410, 4424, 4710, 4740, 4977, 5495, 5530, 5652, 5688, 5880, 6280, 6594, 6636, 7065, 7110, 7693, 7742, 8295, 8792, 8820, 9420, 9480, 9891, 9954, 10990, 11060, 11304, 11613, 12403, 13188, 13272, 14130, 14220, 15386, 15484, 16485, 16590, 17640, 18840, 19355, 19782, 19908, 21980, 22120, 23079, 23226, 24806, 24885, 26376, 28260, 28440, 30772, 30968, 32970, 33180, 34839, 37209, 38465, 38710, 39564, 39816, 43960, 46158, 46452, 49455, 49612, 49770, 56520, 58065, 61544, 62015, 65940, 66360, 69237, 69678, 74418, 76930, 77420, 79128, 86821, 92316, 92904, 98910, 99224, 99540, 111627, 115395, 116130, 124030, 131880, 138474, 139356, 148836, 153860, 154840, 173642, 174195, 184632, 186045, 197820, 199080, 223254, 230790, 232260, 248060, 260463, 276948, 278712, 297672, 307720, 346185, 347284, 348390, 372090, 395640, 434105, 446508, 461580, 464520, 496120, 520926, 553896, 558135, 607747, 692370, 694568, 696780, 744180, 781389, 868210, 893016, 923160, 1041852, 1116270, 1215494, 1302315, 1384740, 1393560, 1488360, 1562778, 1736420, 1823241, 2083704, 2232540, 2430988, 2604630, 2769480, 3038735, 3125556, 3472840, 3646482, 3906945, 4465080, 4861976, 5209260, 5469723, 6077470, 6251112, 7292964, 7813890, 9116205, 10418520, 10939446, 12154940, 14585928, 15627780, 18232410, 21878892, 24309880, 27348615, 31255560, 36464820, 43757784, 54697230, 72929640, 109394460, 218788920]

約数ペア:

[(1, 218788920), (2, 109394460), (3, 72929640), (4, 54697230), (5, 43757784), (6, 36464820), (7, 31255560), (8, 27348615), (9, 24309880), (10, 21878892), (12, 18232410), (14, 15627780), (15, 14585928), (18, 12154940), (20, 10939446), (21, 10418520), (24, 9116205), (28, 7813890), (30, 7292964), (35, 6251112), (36, 6077470), (40, 5469723), (42, 5209260), (45, 4861976), (49, 4465080), (56, 3906945), (60, 3646482), (63, 3472840), (70, 3125556), (72, 3038735), (79, 2769480), (84, 2604630), (90, 2430988), (98, 2232540), (105, 2083704), (120, 1823241), (126, 1736420), (140, 1562778), (147, 1488360), (157, 1393560), (158, 1384740), (168, 1302315), (180, 1215494), (196, 1116270), (210, 1041852), (237, 923160), (245, 893016), (252, 868210), (280, 781389), (294, 744180), (314, 696780), (315, 694568), (316, 692370), (360, 607747), (392, 558135), (395, 553896), (420, 520926), (441, 496120), (471, 464520), (474, 461580), (490, 446508), (504, 434105), (553, 395640), (588, 372090), (628, 348390), (630, 347284), (632, 346185), (711, 307720), (735, 297672), (785, 278712), (790, 276948), (840, 260463), (882, 248060), (942, 232260), (948, 230790), (980, 223254), (1099, 199080), (1106, 197820), (1176, 186045), (1185, 184632), (1256, 174195), (1260, 173642), (1413, 154840), (1422, 153860), (1470, 148836), (1570, 139356), (1580, 138474), (1659, 131880), (1764, 124030), (1884, 116130), (1896, 115395), (1960, 111627), (2198, 99540), (2205, 99224), (2212, 98910), (2355, 92904), (2370, 92316), (2520, 86821), (2765, 79128), (2826, 77420), (2844, 76930), (2940, 74418), (3140, 69678), (3160, 69237), (3297, 66360), (3318, 65940), (3528, 62015), (3555, 61544), (3768, 58065), (3871, 56520), (4396, 49770), (4410, 49612), (4424, 49455), (4710, 46452), (4740, 46158), (4977, 43960), (5495, 39816), (5530, 39564), (5652, 38710), (5688, 38465), (5880, 37209), (6280, 34839), (6594, 33180), (6636, 32970), (7065, 30968), (7110, 30772), (7693, 28440), (7742, 28260), (8295, 26376), (8792, 24885), (8820, 24806), (9420, 23226), (9480, 23079), (9891, 22120), (9954, 21980), (10990, 19908), (11060, 19782), (11304, 19355), (11613, 18840), (12403, 17640), (13188, 16590), (13272, 16485), (14130, 15484), (14220, 15386)]