218713680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:330

約数の個数: 240

約数和(自身を含む): 779950080

約数和(自身を除く): 561236400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 41, 45, 48, 60, 62, 72, 80, 82, 90, 93, 120, 123, 124, 144, 155, 164, 180, 186, 205, 239, 240, 246, 248, 279, 310, 328, 360, 369, 372, 410, 465, 478, 492, 496, 558, 615, 620, 656, 717, 720, 738, 744, 820, 930, 956, 984, 1116, 1195, 1230, 1240, 1271, 1395, 1434, 1476, 1488, 1640, 1845, 1860, 1912, 1968, 2151, 2232, 2390, 2460, 2480, 2542, 2790, 2868, 2952, 3280, 3585, 3690, 3720, 3813, 3824, 4302, 4464, 4780, 4920, 5084, 5580, 5736, 5904, 6355, 7170, 7380, 7409, 7440, 7626, 8604, 9560, 9799, 9840, 10168, 10755, 11160, 11439, 11472, 12710, 14340, 14760, 14818, 15252, 17208, 19065, 19120, 19598, 20336, 21510, 22227, 22320, 22878, 25420, 28680, 29397, 29520, 29636, 30504, 34416, 37045, 38130, 39196, 43020, 44454, 45756, 48995, 50840, 57195, 57360, 58794, 59272, 61008, 66681, 74090, 76260, 78392, 86040, 88191, 88908, 91512, 97990, 101680, 111135, 114390, 117588, 118544, 133362, 146985, 148180, 152520, 156784, 172080, 176382, 177816, 183024, 195980, 222270, 228780, 235176, 266724, 293970, 296360, 303769, 305040, 333405, 352764, 355632, 391960, 440955, 444540, 457560, 470352, 533448, 587940, 592720, 607538, 666810, 705528, 783920, 881910, 889080, 911307, 915120, 1066896, 1175880, 1215076, 1333620, 1411056, 1518845, 1763820, 1778160, 1822614, 2351760, 2430152, 2667240, 2733921, 3037690, 3527640, 3645228, 4556535, 4860304, 5334480, 5467842, 6075380, 7055280, 7290456, 9113070, 10935684, 12150760, 13669605, 14580912, 18226140, 21871368, 24301520, 27339210, 36452280, 43742736, 54678420, 72904560, 109356840, 218713680]

約数ペア:

[(1, 218713680), (2, 109356840), (3, 72904560), (4, 54678420), (5, 43742736), (6, 36452280), (8, 27339210), (9, 24301520), (10, 21871368), (12, 18226140), (15, 14580912), (16, 13669605), (18, 12150760), (20, 10935684), (24, 9113070), (30, 7290456), (31, 7055280), (36, 6075380), (40, 5467842), (41, 5334480), (45, 4860304), (48, 4556535), (60, 3645228), (62, 3527640), (72, 3037690), (80, 2733921), (82, 2667240), (90, 2430152), (93, 2351760), (120, 1822614), (123, 1778160), (124, 1763820), (144, 1518845), (155, 1411056), (164, 1333620), (180, 1215076), (186, 1175880), (205, 1066896), (239, 915120), (240, 911307), (246, 889080), (248, 881910), (279, 783920), (310, 705528), (328, 666810), (360, 607538), (369, 592720), (372, 587940), (410, 533448), (465, 470352), (478, 457560), (492, 444540), (496, 440955), (558, 391960), (615, 355632), (620, 352764), (656, 333405), (717, 305040), (720, 303769), (738, 296360), (744, 293970), (820, 266724), (930, 235176), (956, 228780), (984, 222270), (1116, 195980), (1195, 183024), (1230, 177816), (1240, 176382), (1271, 172080), (1395, 156784), (1434, 152520), (1476, 148180), (1488, 146985), (1640, 133362), (1845, 118544), (1860, 117588), (1912, 114390), (1968, 111135), (2151, 101680), (2232, 97990), (2390, 91512), (2460, 88908), (2480, 88191), (2542, 86040), (2790, 78392), (2868, 76260), (2952, 74090), (3280, 66681), (3585, 61008), (3690, 59272), (3720, 58794), (3813, 57360), (3824, 57195), (4302, 50840), (4464, 48995), (4780, 45756), (4920, 44454), (5084, 43020), (5580, 39196), (5736, 38130), (5904, 37045), (6355, 34416), (7170, 30504), (7380, 29636), (7409, 29520), (7440, 29397), (7626, 28680), (8604, 25420), (9560, 22878), (9799, 22320), (9840, 22227), (10168, 21510), (10755, 20336), (11160, 19598), (11439, 19120), (11472, 19065), (12710, 17208), (14340, 15252), (14760, 14818)]