2904052720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61631}}^1$

素因数の和:61694

約数の個数: 80

約数和(自身を含む): 7336673280

約数和(自身を除く): 4432620560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 23560, 47120, 61631, 123262, 246524, 308155, 493048, 616310, 986096, 1170989, 1232620, 1910561, 2341978, 2465240, 3821122, 4683956, 4930480, 5854945, 7642244, 9367912, 9552805, 11709890, 15284488, 18735824, 19105610, 23419780, 30568976, 36300659, 38211220, 46839560, 72601318, 76422440, 93679120, 145202636, 152844880, 181503295, 290405272, 363006590, 580810544, 726013180, 1452026360, 2904052720]

約数ペア:

[(1, 2904052720), (2, 1452026360), (4, 726013180), (5, 580810544), (8, 363006590), (10, 290405272), (16, 181503295), (19, 152844880), (20, 145202636), (31, 93679120), (38, 76422440), (40, 72601318), (62, 46839560), (76, 38211220), (80, 36300659), (95, 30568976), (124, 23419780), (152, 19105610), (155, 18735824), (190, 15284488), (248, 11709890), (304, 9552805), (310, 9367912), (380, 7642244), (496, 5854945), (589, 4930480), (620, 4683956), (760, 3821122), (1178, 2465240), (1240, 2341978), (1520, 1910561), (2356, 1232620), (2480, 1170989), (2945, 986096), (4712, 616310), (5890, 493048), (9424, 308155), (11780, 246524), (23560, 123262), (47120, 61631)]