641500160

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{2557}}^1$

素因数の和:2596

約数の個数: 132

約数和(自身を含む): 1790789292

約数和(自身を除く): 1149289132

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1024, 1120, 1280, 1568, 1792, 1960, 2240, 2557, 2560, 3136, 3584, 3920, 4480, 5114, 5120, 6272, 7168, 7840, 8960, 10228, 12544, 12785, 15680, 17899, 17920, 20456, 25088, 25570, 31360, 35798, 35840, 40912, 50176, 51140, 62720, 71596, 81824, 89495, 102280, 125293, 125440, 143192, 163648, 178990, 204560, 250586, 250880, 286384, 327296, 357980, 409120, 501172, 572768, 626465, 654592, 715960, 818240, 1002344, 1145536, 1252930, 1309184, 1431920, 1636480, 2004688, 2291072, 2505860, 2618368, 2863840, 3272960, 4009376, 4582144, 5011720, 5727680, 6545920, 8018752, 9164288, 10023440, 11455360, 13091840, 16037504, 18328576, 20046880, 22910720, 32075008, 40093760, 45821440, 64150016, 80187520, 91642880, 128300032, 160375040, 320750080, 641500160]

約数ペア:

[(1, 641500160), (2, 320750080), (4, 160375040), (5, 128300032), (7, 91642880), (8, 80187520), (10, 64150016), (14, 45821440), (16, 40093760), (20, 32075008), (28, 22910720), (32, 20046880), (35, 18328576), (40, 16037504), (49, 13091840), (56, 11455360), (64, 10023440), (70, 9164288), (80, 8018752), (98, 6545920), (112, 5727680), (128, 5011720), (140, 4582144), (160, 4009376), (196, 3272960), (224, 2863840), (245, 2618368), (256, 2505860), (280, 2291072), (320, 2004688), (392, 1636480), (448, 1431920), (490, 1309184), (512, 1252930), (560, 1145536), (640, 1002344), (784, 818240), (896, 715960), (980, 654592), (1024, 626465), (1120, 572768), (1280, 501172), (1568, 409120), (1792, 357980), (1960, 327296), (2240, 286384), (2557, 250880), (2560, 250586), (3136, 204560), (3584, 178990), (3920, 163648), (4480, 143192), (5114, 125440), (5120, 125293), (6272, 102280), (7168, 89495), (7840, 81824), (8960, 71596), (10228, 62720), (12544, 51140), (12785, 50176), (15680, 40912), (17899, 35840), (17920, 35798), (20456, 31360), (25088, 25570)]