328805840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:781

約数の個数: 160

約数和(自身を含む): 912798720

約数和(自身を除く): 583992880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 80, 85, 88, 110, 124, 136, 155, 170, 176, 187, 220, 248, 272, 310, 340, 341, 374, 440, 496, 527, 620, 680, 682, 709, 748, 880, 935, 1054, 1240, 1360, 1364, 1418, 1496, 1705, 1870, 2108, 2480, 2635, 2728, 2836, 2992, 3410, 3545, 3740, 4216, 5270, 5456, 5672, 5797, 6820, 7090, 7480, 7799, 8432, 10540, 11344, 11594, 12053, 13640, 14180, 14960, 15598, 21080, 21979, 23188, 24106, 27280, 28360, 28985, 31196, 38995, 42160, 43958, 46376, 48212, 56720, 57970, 60265, 62392, 77990, 87916, 92752, 96424, 109895, 115940, 120530, 124784, 132583, 155980, 175832, 192848, 219790, 231880, 241060, 241769, 265166, 311960, 351664, 373643, 439580, 463760, 482120, 483538, 530332, 623920, 662915, 747286, 879160, 964240, 967076, 1060664, 1208845, 1325830, 1494572, 1758320, 1868215, 1934152, 2121328, 2417690, 2651660, 2989144, 3736430, 3868304, 4110073, 4835380, 5303320, 5978288, 7472860, 8220146, 9670760, 10606640, 14945720, 16440292, 19341520, 20550365, 29891440, 32880584, 41100730, 65761168, 82201460, 164402920, 328805840]

約数ペア:

[(1, 328805840), (2, 164402920), (4, 82201460), (5, 65761168), (8, 41100730), (10, 32880584), (11, 29891440), (16, 20550365), (17, 19341520), (20, 16440292), (22, 14945720), (31, 10606640), (34, 9670760), (40, 8220146), (44, 7472860), (55, 5978288), (62, 5303320), (68, 4835380), (80, 4110073), (85, 3868304), (88, 3736430), (110, 2989144), (124, 2651660), (136, 2417690), (155, 2121328), (170, 1934152), (176, 1868215), (187, 1758320), (220, 1494572), (248, 1325830), (272, 1208845), (310, 1060664), (340, 967076), (341, 964240), (374, 879160), (440, 747286), (496, 662915), (527, 623920), (620, 530332), (680, 483538), (682, 482120), (709, 463760), (748, 439580), (880, 373643), (935, 351664), (1054, 311960), (1240, 265166), (1360, 241769), (1364, 241060), (1418, 231880), (1496, 219790), (1705, 192848), (1870, 175832), (2108, 155980), (2480, 132583), (2635, 124784), (2728, 120530), (2836, 115940), (2992, 109895), (3410, 96424), (3545, 92752), (3740, 87916), (4216, 77990), (5270, 62392), (5456, 60265), (5672, 57970), (5797, 56720), (6820, 48212), (7090, 46376), (7480, 43958), (7799, 42160), (8432, 38995), (10540, 31196), (11344, 28985), (11594, 28360), (12053, 27280), (13640, 24106), (14180, 23188), (14960, 21979), (15598, 21080)]