79400520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1987}}^1$

素因数の和:2044

約数の個数: 128

約数和(自身を含む): 271958400

約数和(自身を除く): 192557880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 90, 108, 111, 120, 135, 148, 180, 185, 216, 222, 270, 296, 333, 360, 370, 444, 540, 555, 666, 740, 888, 999, 1080, 1110, 1332, 1480, 1665, 1987, 1998, 2220, 2664, 3330, 3974, 3996, 4440, 4995, 5961, 6660, 7948, 7992, 9935, 9990, 11922, 13320, 15896, 17883, 19870, 19980, 23844, 29805, 35766, 39740, 39960, 47688, 53649, 59610, 71532, 73519, 79480, 89415, 107298, 119220, 143064, 147038, 178830, 214596, 220557, 238440, 268245, 294076, 357660, 367595, 429192, 441114, 536490, 588152, 661671, 715320, 735190, 882228, 1072980, 1102785, 1323342, 1470380, 1764456, 1985013, 2145960, 2205570, 2646684, 2940760, 3308355, 3970026, 4411140, 5293368, 6616710, 7940052, 8822280, 9925065, 13233420, 15880104, 19850130, 26466840, 39700260, 79400520]

約数ペア:

[(1, 79400520), (2, 39700260), (3, 26466840), (4, 19850130), (5, 15880104), (6, 13233420), (8, 9925065), (9, 8822280), (10, 7940052), (12, 6616710), (15, 5293368), (18, 4411140), (20, 3970026), (24, 3308355), (27, 2940760), (30, 2646684), (36, 2205570), (37, 2145960), (40, 1985013), (45, 1764456), (54, 1470380), (60, 1323342), (72, 1102785), (74, 1072980), (90, 882228), (108, 735190), (111, 715320), (120, 661671), (135, 588152), (148, 536490), (180, 441114), (185, 429192), (216, 367595), (222, 357660), (270, 294076), (296, 268245), (333, 238440), (360, 220557), (370, 214596), (444, 178830), (540, 147038), (555, 143064), (666, 119220), (740, 107298), (888, 89415), (999, 79480), (1080, 73519), (1110, 71532), (1332, 59610), (1480, 53649), (1665, 47688), (1987, 39960), (1998, 39740), (2220, 35766), (2664, 29805), (3330, 23844), (3974, 19980), (3996, 19870), (4440, 17883), (4995, 15896), (5961, 13320), (6660, 11922), (7948, 9990), (7992, 9935)]