18745560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1021}}^1$

素因数の和:1058

約数の個数: 128

約数和(自身を含む): 66225600

約数和(自身を除く): 47480040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 180, 204, 216, 255, 270, 306, 340, 360, 408, 459, 510, 540, 612, 680, 765, 918, 1020, 1021, 1080, 1224, 1530, 1836, 2040, 2042, 2295, 3060, 3063, 3672, 4084, 4590, 5105, 6120, 6126, 8168, 9180, 9189, 10210, 12252, 15315, 17357, 18360, 18378, 20420, 24504, 27567, 30630, 34714, 36756, 40840, 45945, 52071, 55134, 61260, 69428, 73512, 86785, 91890, 104142, 110268, 122520, 137835, 138856, 156213, 173570, 183780, 208284, 220536, 260355, 275670, 312426, 347140, 367560, 416568, 468639, 520710, 551340, 624852, 694280, 781065, 937278, 1041420, 1102680, 1249704, 1562130, 1874556, 2082840, 2343195, 3124260, 3749112, 4686390, 6248520, 9372780, 18745560]

約数ペア:

[(1, 18745560), (2, 9372780), (3, 6248520), (4, 4686390), (5, 3749112), (6, 3124260), (8, 2343195), (9, 2082840), (10, 1874556), (12, 1562130), (15, 1249704), (17, 1102680), (18, 1041420), (20, 937278), (24, 781065), (27, 694280), (30, 624852), (34, 551340), (36, 520710), (40, 468639), (45, 416568), (51, 367560), (54, 347140), (60, 312426), (68, 275670), (72, 260355), (85, 220536), (90, 208284), (102, 183780), (108, 173570), (120, 156213), (135, 138856), (136, 137835), (153, 122520), (170, 110268), (180, 104142), (204, 91890), (216, 86785), (255, 73512), (270, 69428), (306, 61260), (340, 55134), (360, 52071), (408, 45945), (459, 40840), (510, 36756), (540, 34714), (612, 30630), (680, 27567), (765, 24504), (918, 20420), (1020, 18378), (1021, 18360), (1080, 17357), (1224, 15315), (1530, 12252), (1836, 10210), (2040, 9189), (2042, 9180), (2295, 8168), (3060, 6126), (3063, 6120), (3672, 5105), (4084, 4590)]