72717840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:506

約数の個数: 240

約数和(自身を含む): 279075888

約数和(自身を除く): 206358048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 340, 360, 390, 408, 442, 457, 468, 510, 520, 585, 612, 624, 663, 680, 720, 765, 780, 816, 884, 914, 936, 1020, 1040, 1105, 1170, 1224, 1326, 1360, 1371, 1530, 1560, 1768, 1828, 1872, 1989, 2040, 2210, 2285, 2340, 2448, 2652, 2742, 3060, 3120, 3315, 3536, 3656, 3978, 4080, 4113, 4420, 4570, 4680, 5304, 5484, 5941, 6120, 6630, 6855, 7312, 7769, 7956, 8226, 8840, 9140, 9360, 9945, 10608, 10968, 11882, 12240, 13260, 13710, 15538, 15912, 16452, 17680, 17823, 18280, 19890, 20565, 21936, 23307, 23764, 26520, 27420, 29705, 31076, 31824, 32904, 35646, 36560, 38845, 39780, 41130, 46614, 47528, 53040, 53469, 54840, 59410, 62152, 65808, 69921, 71292, 77690, 79560, 82260, 89115, 93228, 95056, 100997, 106938, 109680, 116535, 118820, 124304, 139842, 142584, 155380, 159120, 164520, 178230, 186456, 201994, 213876, 233070, 237640, 267345, 279684, 285168, 302991, 310760, 329040, 349605, 356460, 372912, 403988, 427752, 466140, 475280, 504985, 534690, 559368, 605982, 621520, 699210, 712920, 807976, 855504, 908973, 932280, 1009970, 1069380, 1118736, 1211964, 1398420, 1425840, 1514955, 1615952, 1817946, 1864560, 2019940, 2138760, 2423928, 2796840, 3029910, 3635892, 4039880, 4277520, 4544865, 4847856, 5593680, 6059820, 7271784, 8079760, 9089730, 12119640, 14543568, 18179460, 24239280, 36358920, 72717840]

約数ペア:

[(1, 72717840), (2, 36358920), (3, 24239280), (4, 18179460), (5, 14543568), (6, 12119640), (8, 9089730), (9, 8079760), (10, 7271784), (12, 6059820), (13, 5593680), (15, 4847856), (16, 4544865), (17, 4277520), (18, 4039880), (20, 3635892), (24, 3029910), (26, 2796840), (30, 2423928), (34, 2138760), (36, 2019940), (39, 1864560), (40, 1817946), (45, 1615952), (48, 1514955), (51, 1425840), (52, 1398420), (60, 1211964), (65, 1118736), (68, 1069380), (72, 1009970), (78, 932280), (80, 908973), (85, 855504), (90, 807976), (102, 712920), (104, 699210), (117, 621520), (120, 605982), (130, 559368), (136, 534690), (144, 504985), (153, 475280), (156, 466140), (170, 427752), (180, 403988), (195, 372912), (204, 356460), (208, 349605), (221, 329040), (234, 310760), (240, 302991), (255, 285168), (260, 279684), (272, 267345), (306, 237640), (312, 233070), (340, 213876), (360, 201994), (390, 186456), (408, 178230), (442, 164520), (457, 159120), (468, 155380), (510, 142584), (520, 139842), (585, 124304), (612, 118820), (624, 116535), (663, 109680), (680, 106938), (720, 100997), (765, 95056), (780, 93228), (816, 89115), (884, 82260), (914, 79560), (936, 77690), (1020, 71292), (1040, 69921), (1105, 65808), (1170, 62152), (1224, 59410), (1326, 54840), (1360, 53469), (1371, 53040), (1530, 47528), (1560, 46614), (1768, 41130), (1828, 39780), (1872, 38845), (1989, 36560), (2040, 35646), (2210, 32904), (2285, 31824), (2340, 31076), (2448, 29705), (2652, 27420), (2742, 26520), (3060, 23764), (3120, 23307), (3315, 21936), (3536, 20565), (3656, 19890), (3978, 18280), (4080, 17823), (4113, 17680), (4420, 16452), (4570, 15912), (4680, 15538), (5304, 13710), (5484, 13260), (5941, 12240), (6120, 11882), (6630, 10968), (6855, 10608), (7312, 9945), (7769, 9360), (7956, 9140), (8226, 8840)]