123166720

素因数分解:

$2^{13}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:159

約数の個数: 112

約数和(自身を含む): 308262528

約数和(自身を除く): 185095808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 97, 124, 128, 155, 160, 194, 248, 256, 310, 320, 388, 485, 496, 512, 620, 640, 776, 970, 992, 1024, 1240, 1280, 1552, 1940, 1984, 2048, 2480, 2560, 3007, 3104, 3880, 3968, 4096, 4960, 5120, 6014, 6208, 7760, 7936, 8192, 9920, 10240, 12028, 12416, 15035, 15520, 15872, 19840, 20480, 24056, 24832, 30070, 31040, 31744, 39680, 40960, 48112, 49664, 60140, 62080, 63488, 79360, 96224, 99328, 120280, 124160, 126976, 158720, 192448, 198656, 240560, 248320, 253952, 317440, 384896, 397312, 481120, 496640, 634880, 769792, 794624, 962240, 993280, 1269760, 1539584, 1924480, 1986560, 3079168, 3848960, 3973120, 6158336, 7697920, 12316672, 15395840, 24633344, 30791680, 61583360, 123166720]

約数ペア:

[(1, 123166720), (2, 61583360), (4, 30791680), (5, 24633344), (8, 15395840), (10, 12316672), (16, 7697920), (20, 6158336), (31, 3973120), (32, 3848960), (40, 3079168), (62, 1986560), (64, 1924480), (80, 1539584), (97, 1269760), (124, 993280), (128, 962240), (155, 794624), (160, 769792), (194, 634880), (248, 496640), (256, 481120), (310, 397312), (320, 384896), (388, 317440), (485, 253952), (496, 248320), (512, 240560), (620, 198656), (640, 192448), (776, 158720), (970, 126976), (992, 124160), (1024, 120280), (1240, 99328), (1280, 96224), (1552, 79360), (1940, 63488), (1984, 62080), (2048, 60140), (2480, 49664), (2560, 48112), (3007, 40960), (3104, 39680), (3880, 31744), (3968, 31040), (4096, 30070), (4960, 24832), (5120, 24056), (6014, 20480), (6208, 19840), (7760, 15872), (7936, 15520), (8192, 15035), (9920, 12416), (10240, 12028)]