628213760

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2037

約数の個数: 96

約数和(自身を含む): 1556755200

約数和(自身を除く): 928541440

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, 992, 1024, 1240, 1280, 1979, 1984, 2048, 2480, 2560, 3958, 3968, 4960, 5120, 7916, 7936, 9895, 9920, 10240, 15832, 15872, 19790, 19840, 31664, 31744, 39580, 39680, 61349, 63328, 63488, 79160, 79360, 122698, 126656, 158320, 158720, 245396, 253312, 306745, 316640, 317440, 490792, 506624, 613490, 633280, 981584, 1013248, 1226980, 1266560, 1963168, 2026496, 2453960, 2533120, 3926336, 4052992, 4907920, 5066240, 7852672, 9815840, 10132480, 15705344, 19631680, 20264960, 31410688, 39263360, 62821376, 78526720, 125642752, 157053440, 314106880, 628213760]

約数ペア:

[(1, 628213760), (2, 314106880), (4, 157053440), (5, 125642752), (8, 78526720), (10, 62821376), (16, 39263360), (20, 31410688), (31, 20264960), (32, 19631680), (40, 15705344), (62, 10132480), (64, 9815840), (80, 7852672), (124, 5066240), (128, 4907920), (155, 4052992), (160, 3926336), (248, 2533120), (256, 2453960), (310, 2026496), (320, 1963168), (496, 1266560), (512, 1226980), (620, 1013248), (640, 981584), (992, 633280), (1024, 613490), (1240, 506624), (1280, 490792), (1979, 317440), (1984, 316640), (2048, 306745), (2480, 253312), (2560, 245396), (3958, 158720), (3968, 158320), (4960, 126656), (5120, 122698), (7916, 79360), (7936, 79160), (9895, 63488), (9920, 63328), (10240, 61349), (15832, 39680), (15872, 39580), (19790, 31744), (19840, 31664)]