30791680

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 77051520

約数和(自身を除く): 46259840

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, 4960, 5120, 6014, 6208, 7760, 7936, 9920, 10240, 12028, 12416, 15035, 15520, 15872, 19840, 24056, 24832, 30070, 31040, 31744, 39680, 48112, 49664, 60140, 62080, 63488, 79360, 96224, 99328, 120280, 124160, 158720, 192448, 198656, 240560, 248320, 317440, 384896, 481120, 496640, 769792, 962240, 993280, 1539584, 1924480, 3079168, 3848960, 6158336, 7697920, 15395840, 30791680]

約数ペア:

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