79752780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:488

約数の個数: 144

約数和(自身を含む): 260638560

約数和(自身を除く): 180885780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 67, 68, 85, 90, 102, 134, 153, 170, 180, 201, 204, 255, 268, 306, 335, 340, 389, 402, 510, 603, 612, 670, 765, 778, 804, 1005, 1020, 1139, 1167, 1206, 1340, 1530, 1556, 1945, 2010, 2278, 2334, 2412, 3015, 3060, 3417, 3501, 3890, 4020, 4556, 4668, 5695, 5835, 6030, 6613, 6834, 7002, 7780, 10251, 11390, 11670, 12060, 13226, 13668, 14004, 17085, 17505, 19839, 20502, 22780, 23340, 26063, 26452, 33065, 34170, 35010, 39678, 41004, 51255, 52126, 59517, 66130, 68340, 70020, 78189, 79356, 99195, 102510, 104252, 119034, 130315, 132260, 156378, 198390, 205020, 234567, 238068, 260630, 297585, 312756, 390945, 396780, 443071, 469134, 521260, 595170, 781890, 886142, 938268, 1172835, 1190340, 1329213, 1563780, 1772284, 2215355, 2345670, 2658426, 3987639, 4430710, 4691340, 5316852, 6646065, 7975278, 8861420, 13292130, 15950556, 19938195, 26584260, 39876390, 79752780]

約数ペア:

[(1, 79752780), (2, 39876390), (3, 26584260), (4, 19938195), (5, 15950556), (6, 13292130), (9, 8861420), (10, 7975278), (12, 6646065), (15, 5316852), (17, 4691340), (18, 4430710), (20, 3987639), (30, 2658426), (34, 2345670), (36, 2215355), (45, 1772284), (51, 1563780), (60, 1329213), (67, 1190340), (68, 1172835), (85, 938268), (90, 886142), (102, 781890), (134, 595170), (153, 521260), (170, 469134), (180, 443071), (201, 396780), (204, 390945), (255, 312756), (268, 297585), (306, 260630), (335, 238068), (340, 234567), (389, 205020), (402, 198390), (510, 156378), (603, 132260), (612, 130315), (670, 119034), (765, 104252), (778, 102510), (804, 99195), (1005, 79356), (1020, 78189), (1139, 70020), (1167, 68340), (1206, 66130), (1340, 59517), (1530, 52126), (1556, 51255), (1945, 41004), (2010, 39678), (2278, 35010), (2334, 34170), (2412, 33065), (3015, 26452), (3060, 26063), (3417, 23340), (3501, 22780), (3890, 20502), (4020, 19839), (4556, 17505), (4668, 17085), (5695, 14004), (5835, 13668), (6030, 13226), (6613, 12060), (6834, 11670), (7002, 11390), (7780, 10251)]