21322080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:118

約数の個数: 288

約数和(自身を含む): 84206304

約数和(自身を除く): 62884224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 67, 68, 72, 78, 80, 85, 90, 96, 102, 104, 117, 120, 130, 134, 136, 144, 153, 156, 160, 170, 180, 195, 201, 204, 208, 221, 234, 240, 255, 260, 268, 272, 288, 306, 312, 335, 340, 360, 390, 402, 408, 416, 442, 468, 480, 510, 520, 536, 544, 585, 603, 612, 624, 663, 670, 680, 720, 765, 780, 804, 816, 871, 884, 936, 1005, 1020, 1040, 1072, 1105, 1139, 1170, 1206, 1224, 1248, 1326, 1340, 1360, 1440, 1530, 1560, 1608, 1632, 1742, 1768, 1872, 1989, 2010, 2040, 2080, 2144, 2210, 2278, 2340, 2412, 2448, 2613, 2652, 2680, 2720, 3015, 3060, 3120, 3216, 3315, 3417, 3484, 3536, 3744, 3978, 4020, 4080, 4355, 4420, 4556, 4680, 4824, 4896, 5226, 5304, 5360, 5695, 6030, 6120, 6240, 6432, 6630, 6834, 6968, 7072, 7839, 7956, 8040, 8160, 8710, 8840, 9112, 9360, 9648, 9945, 10251, 10452, 10608, 10720, 11390, 12060, 12240, 13065, 13260, 13668, 13936, 14807, 15678, 15912, 16080, 17085, 17420, 17680, 18224, 18720, 19296, 19890, 20502, 20904, 21216, 22780, 24120, 24480, 26130, 26520, 27336, 27872, 29614, 31356, 31824, 32160, 34170, 34840, 35360, 36448, 39195, 39780, 41004, 41808, 44421, 45560, 48240, 51255, 52260, 53040, 54672, 59228, 62712, 63648, 68340, 69680, 74035, 78390, 79560, 82008, 83616, 88842, 91120, 96480, 102510, 104520, 106080, 109344, 118456, 125424, 133263, 136680, 139360, 148070, 156780, 159120, 164016, 177684, 182240, 205020, 209040, 222105, 236912, 250848, 266526, 273360, 296140, 313560, 318240, 328032, 355368, 410040, 418080, 444210, 473824, 533052, 546720, 592280, 627120, 666315, 710736, 820080, 888420, 1066104, 1184560, 1254240, 1332630, 1421472, 1640160, 1776840, 2132208, 2369120, 2665260, 3553680, 4264416, 5330520, 7107360, 10661040, 21322080]

約数ペア:

[(1, 21322080), (2, 10661040), (3, 7107360), (4, 5330520), (5, 4264416), (6, 3553680), (8, 2665260), (9, 2369120), (10, 2132208), (12, 1776840), (13, 1640160), (15, 1421472), (16, 1332630), (17, 1254240), (18, 1184560), (20, 1066104), (24, 888420), (26, 820080), (30, 710736), (32, 666315), (34, 627120), (36, 592280), (39, 546720), (40, 533052), (45, 473824), (48, 444210), (51, 418080), (52, 410040), (60, 355368), (65, 328032), (67, 318240), (68, 313560), (72, 296140), (78, 273360), (80, 266526), (85, 250848), (90, 236912), (96, 222105), (102, 209040), (104, 205020), (117, 182240), (120, 177684), (130, 164016), (134, 159120), (136, 156780), (144, 148070), (153, 139360), (156, 136680), (160, 133263), (170, 125424), (180, 118456), (195, 109344), (201, 106080), (204, 104520), (208, 102510), (221, 96480), (234, 91120), (240, 88842), (255, 83616), (260, 82008), (268, 79560), (272, 78390), (288, 74035), (306, 69680), (312, 68340), (335, 63648), (340, 62712), (360, 59228), (390, 54672), (402, 53040), (408, 52260), (416, 51255), (442, 48240), (468, 45560), (480, 44421), (510, 41808), (520, 41004), (536, 39780), (544, 39195), (585, 36448), (603, 35360), (612, 34840), (624, 34170), (663, 32160), (670, 31824), (680, 31356), (720, 29614), (765, 27872), (780, 27336), (804, 26520), (816, 26130), (871, 24480), (884, 24120), (936, 22780), (1005, 21216), (1020, 20904), (1040, 20502), (1072, 19890), (1105, 19296), (1139, 18720), (1170, 18224), (1206, 17680), (1224, 17420), (1248, 17085), (1326, 16080), (1340, 15912), (1360, 15678), (1440, 14807), (1530, 13936), (1560, 13668), (1608, 13260), (1632, 13065), (1742, 12240), (1768, 12060), (1872, 11390), (1989, 10720), (2010, 10608), (2040, 10452), (2080, 10251), (2144, 9945), (2210, 9648), (2278, 9360), (2340, 9112), (2412, 8840), (2448, 8710), (2613, 8160), (2652, 8040), (2680, 7956), (2720, 7839), (3015, 7072), (3060, 6968), (3120, 6834), (3216, 6630), (3315, 6432), (3417, 6240), (3484, 6120), (3536, 6030), (3744, 5695), (3978, 5360), (4020, 5304), (4080, 5226), (4355, 4896), (4420, 4824), (4556, 4680)]