319463680

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 807657984

約数和(自身を除く): 488194304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 83, 97, 124, 128, 155, 160, 166, 194, 248, 256, 310, 320, 332, 388, 415, 485, 496, 620, 640, 664, 776, 830, 970, 992, 1240, 1280, 1328, 1552, 1660, 1940, 1984, 2480, 2573, 2656, 3007, 3104, 3320, 3880, 3968, 4960, 5146, 5312, 6014, 6208, 6640, 7760, 7936, 8051, 9920, 10292, 10624, 12028, 12416, 12865, 13280, 15035, 15520, 16102, 19840, 20584, 21248, 24056, 24832, 25730, 26560, 30070, 31040, 32204, 39680, 40255, 41168, 48112, 51460, 53120, 60140, 62080, 64408, 80510, 82336, 96224, 102920, 106240, 120280, 124160, 128816, 161020, 164672, 192448, 205840, 240560, 249581, 257632, 322040, 329344, 384896, 411680, 481120, 499162, 515264, 644080, 658688, 769792, 823360, 962240, 998324, 1030528, 1247905, 1288160, 1646720, 1924480, 1996648, 2061056, 2495810, 2576320, 3293440, 3848960, 3993296, 4991620, 5152640, 7986592, 9983240, 10305280, 15973184, 19966480, 31946368, 39932960, 63892736, 79865920, 159731840, 319463680]

約数ペア:

[(1, 319463680), (2, 159731840), (4, 79865920), (5, 63892736), (8, 39932960), (10, 31946368), (16, 19966480), (20, 15973184), (31, 10305280), (32, 9983240), (40, 7986592), (62, 5152640), (64, 4991620), (80, 3993296), (83, 3848960), (97, 3293440), (124, 2576320), (128, 2495810), (155, 2061056), (160, 1996648), (166, 1924480), (194, 1646720), (248, 1288160), (256, 1247905), (310, 1030528), (320, 998324), (332, 962240), (388, 823360), (415, 769792), (485, 658688), (496, 644080), (620, 515264), (640, 499162), (664, 481120), (776, 411680), (830, 384896), (970, 329344), (992, 322040), (1240, 257632), (1280, 249581), (1328, 240560), (1552, 205840), (1660, 192448), (1940, 164672), (1984, 161020), (2480, 128816), (2573, 124160), (2656, 120280), (3007, 106240), (3104, 102920), (3320, 96224), (3880, 82336), (3968, 80510), (4960, 64408), (5146, 62080), (5312, 60140), (6014, 53120), (6208, 51460), (6640, 48112), (7760, 41168), (7936, 40255), (8051, 39680), (9920, 32204), (10292, 31040), (10624, 30070), (12028, 26560), (12416, 25730), (12865, 24832), (13280, 24056), (15035, 21248), (15520, 20584), (16102, 19840)]