204193280

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 120

約数和(自身を含む): 511982856

約数和(自身を除く): 307789576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 83, 124, 128, 155, 160, 166, 248, 256, 310, 320, 332, 415, 496, 512, 620, 640, 664, 830, 961, 992, 1240, 1280, 1328, 1660, 1922, 1984, 2480, 2560, 2573, 2656, 3320, 3844, 3968, 4805, 4960, 5146, 5312, 6640, 7688, 7936, 9610, 9920, 10292, 10624, 12865, 13280, 15376, 15872, 19220, 19840, 20584, 21248, 25730, 26560, 30752, 38440, 39680, 41168, 42496, 51460, 53120, 61504, 76880, 79360, 79763, 82336, 102920, 106240, 123008, 153760, 159526, 164672, 205840, 212480, 246016, 307520, 319052, 329344, 398815, 411680, 492032, 615040, 638104, 658688, 797630, 823360, 1230080, 1276208, 1317376, 1595260, 1646720, 2460160, 2552416, 3190520, 3293440, 5104832, 6381040, 6586880, 10209664, 12762080, 20419328, 25524160, 40838656, 51048320, 102096640, 204193280]

約数ペア:

[(1, 204193280), (2, 102096640), (4, 51048320), (5, 40838656), (8, 25524160), (10, 20419328), (16, 12762080), (20, 10209664), (31, 6586880), (32, 6381040), (40, 5104832), (62, 3293440), (64, 3190520), (80, 2552416), (83, 2460160), (124, 1646720), (128, 1595260), (155, 1317376), (160, 1276208), (166, 1230080), (248, 823360), (256, 797630), (310, 658688), (320, 638104), (332, 615040), (415, 492032), (496, 411680), (512, 398815), (620, 329344), (640, 319052), (664, 307520), (830, 246016), (961, 212480), (992, 205840), (1240, 164672), (1280, 159526), (1328, 153760), (1660, 123008), (1922, 106240), (1984, 102920), (2480, 82336), (2560, 79763), (2573, 79360), (2656, 76880), (3320, 61504), (3844, 53120), (3968, 51460), (4805, 42496), (4960, 41168), (5146, 39680), (5312, 38440), (6640, 30752), (7688, 26560), (7936, 25730), (9610, 21248), (9920, 20584), (10292, 19840), (10624, 19220), (12865, 15872), (13280, 15376)]