172647680

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 451315200

約数和(自身を除く): 278667520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 229, 248, 256, 304, 310, 320, 380, 458, 496, 589, 608, 620, 640, 760, 916, 992, 1145, 1178, 1216, 1240, 1280, 1520, 1832, 1984, 2290, 2356, 2432, 2480, 2945, 3040, 3664, 3968, 4351, 4580, 4712, 4864, 4960, 5890, 6080, 7099, 7328, 7936, 8702, 9160, 9424, 9920, 11780, 12160, 14198, 14656, 17404, 18320, 18848, 19840, 21755, 23560, 24320, 28396, 29312, 34808, 35495, 36640, 37696, 39680, 43510, 47120, 56792, 58624, 69616, 70990, 73280, 75392, 87020, 94240, 113584, 134881, 139232, 141980, 146560, 150784, 174040, 188480, 227168, 269762, 278464, 283960, 293120, 348080, 376960, 454336, 539524, 556928, 567920, 674405, 696160, 753920, 908672, 1079048, 1113856, 1135840, 1348810, 1392320, 1817344, 2158096, 2271680, 2697620, 2784640, 4316192, 4543360, 5395240, 5569280, 8632384, 9086720, 10790480, 17264768, 21580960, 34529536, 43161920, 86323840, 172647680]

約数ペア:

[(1, 172647680), (2, 86323840), (4, 43161920), (5, 34529536), (8, 21580960), (10, 17264768), (16, 10790480), (19, 9086720), (20, 8632384), (31, 5569280), (32, 5395240), (38, 4543360), (40, 4316192), (62, 2784640), (64, 2697620), (76, 2271680), (80, 2158096), (95, 1817344), (124, 1392320), (128, 1348810), (152, 1135840), (155, 1113856), (160, 1079048), (190, 908672), (229, 753920), (248, 696160), (256, 674405), (304, 567920), (310, 556928), (320, 539524), (380, 454336), (458, 376960), (496, 348080), (589, 293120), (608, 283960), (620, 278464), (640, 269762), (760, 227168), (916, 188480), (992, 174040), (1145, 150784), (1178, 146560), (1216, 141980), (1240, 139232), (1280, 134881), (1520, 113584), (1832, 94240), (1984, 87020), (2290, 75392), (2356, 73280), (2432, 70990), (2480, 69616), (2945, 58624), (3040, 56792), (3664, 47120), (3968, 43510), (4351, 39680), (4580, 37696), (4712, 36640), (4864, 35495), (4960, 34808), (5890, 29312), (6080, 28396), (7099, 24320), (7328, 23560), (7936, 21755), (8702, 19840), (9160, 18848), (9424, 18320), (9920, 17404), (11780, 14656), (12160, 14198)]