216811520

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:741

約数の個数: 96

約数和(自身を含む): 537788160

約数和(自身を除く): 320976640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 683, 992, 1024, 1240, 1280, 1366, 1984, 2048, 2480, 2560, 2732, 3415, 3968, 4960, 5120, 5464, 6830, 7936, 9920, 10240, 10928, 13660, 15872, 19840, 21173, 21856, 27320, 31744, 39680, 42346, 43712, 54640, 63488, 79360, 84692, 87424, 105865, 109280, 158720, 169384, 174848, 211730, 218560, 317440, 338768, 349696, 423460, 437120, 677536, 699392, 846920, 874240, 1355072, 1398784, 1693840, 1748480, 2710144, 3387680, 3496960, 5420288, 6775360, 6993920, 10840576, 13550720, 21681152, 27101440, 43362304, 54202880, 108405760, 216811520]

約数ペア:

[(1, 216811520), (2, 108405760), (4, 54202880), (5, 43362304), (8, 27101440), (10, 21681152), (16, 13550720), (20, 10840576), (31, 6993920), (32, 6775360), (40, 5420288), (62, 3496960), (64, 3387680), (80, 2710144), (124, 1748480), (128, 1693840), (155, 1398784), (160, 1355072), (248, 874240), (256, 846920), (310, 699392), (320, 677536), (496, 437120), (512, 423460), (620, 349696), (640, 338768), (683, 317440), (992, 218560), (1024, 211730), (1240, 174848), (1280, 169384), (1366, 158720), (1984, 109280), (2048, 105865), (2480, 87424), (2560, 84692), (2732, 79360), (3415, 63488), (3968, 54640), (4960, 43712), (5120, 42346), (5464, 39680), (6830, 31744), (7936, 27320), (9920, 21856), (10240, 21173), (10928, 19840), (13660, 15872)]