128801280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:598

約数の個数: 160

約数和(自身を含む): 425829888

約数和(自身を除く): 297028608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 541, 620, 640, 744, 768, 930, 960, 992, 1082, 1240, 1280, 1488, 1536, 1623, 1860, 1920, 1984, 2164, 2480, 2560, 2705, 2976, 3246, 3720, 3840, 3968, 4328, 4960, 5410, 5952, 6492, 7440, 7680, 7936, 8115, 8656, 9920, 10820, 11904, 12984, 14880, 15872, 16230, 16771, 17312, 19840, 21640, 23808, 25968, 29760, 32460, 33542, 34624, 39680, 43280, 47616, 50313, 51936, 59520, 64920, 67084, 69248, 79360, 83855, 86560, 100626, 103872, 119040, 129840, 134168, 138496, 167710, 173120, 201252, 207744, 238080, 251565, 259680, 268336, 276992, 335420, 346240, 402504, 415488, 503130, 519360, 536672, 670840, 692480, 805008, 830976, 1006260, 1038720, 1073344, 1341680, 1384960, 1610016, 2012520, 2077440, 2146688, 2683360, 3220032, 4025040, 4154880, 4293376, 5366720, 6440064, 8050080, 8586752, 10733440, 12880128, 16100160, 21466880, 25760256, 32200320, 42933760, 64400640, 128801280]

約数ペア:

[(1, 128801280), (2, 64400640), (3, 42933760), (4, 32200320), (5, 25760256), (6, 21466880), (8, 16100160), (10, 12880128), (12, 10733440), (15, 8586752), (16, 8050080), (20, 6440064), (24, 5366720), (30, 4293376), (31, 4154880), (32, 4025040), (40, 3220032), (48, 2683360), (60, 2146688), (62, 2077440), (64, 2012520), (80, 1610016), (93, 1384960), (96, 1341680), (120, 1073344), (124, 1038720), (128, 1006260), (155, 830976), (160, 805008), (186, 692480), (192, 670840), (240, 536672), (248, 519360), (256, 503130), (310, 415488), (320, 402504), (372, 346240), (384, 335420), (465, 276992), (480, 268336), (496, 259680), (512, 251565), (541, 238080), (620, 207744), (640, 201252), (744, 173120), (768, 167710), (930, 138496), (960, 134168), (992, 129840), (1082, 119040), (1240, 103872), (1280, 100626), (1488, 86560), (1536, 83855), (1623, 79360), (1860, 69248), (1920, 67084), (1984, 64920), (2164, 59520), (2480, 51936), (2560, 50313), (2705, 47616), (2976, 43280), (3246, 39680), (3720, 34624), (3840, 33542), (3968, 32460), (4328, 29760), (4960, 25968), (5410, 23808), (5952, 21640), (6492, 19840), (7440, 17312), (7680, 16771), (7936, 16230), (8115, 15872), (8656, 14880), (9920, 12984), (10820, 11904)]