81230760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1021}}^1$

素因数の和:1068

約数の個数: 192

約数和(自身を含む): 301326480

約数和(自身を除く): 220095720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 663, 680, 765, 780, 884, 936, 1020, 1021, 1105, 1170, 1224, 1326, 1530, 1560, 1768, 1989, 2040, 2042, 2210, 2340, 2652, 3060, 3063, 3315, 3978, 4084, 4420, 4680, 5105, 5304, 6120, 6126, 6630, 7956, 8168, 8840, 9189, 9945, 10210, 12252, 13260, 13273, 15315, 15912, 17357, 18378, 19890, 20420, 24504, 26520, 26546, 30630, 34714, 36756, 39780, 39819, 40840, 45945, 52071, 53092, 61260, 66365, 69428, 73512, 79560, 79638, 86785, 91890, 104142, 106184, 119457, 122520, 132730, 138856, 156213, 159276, 173570, 183780, 199095, 208284, 225641, 238914, 260355, 265460, 312426, 318552, 347140, 367560, 398190, 416568, 451282, 477828, 520710, 530920, 597285, 624852, 676923, 694280, 781065, 796380, 902564, 955656, 1041420, 1128205, 1194570, 1249704, 1353846, 1562130, 1592760, 1805128, 2030769, 2082840, 2256410, 2389140, 2707692, 3124260, 3384615, 4061538, 4512820, 4778280, 5415384, 6248520, 6769230, 8123076, 9025640, 10153845, 13538460, 16246152, 20307690, 27076920, 40615380, 81230760]

約数ペア:

[(1, 81230760), (2, 40615380), (3, 27076920), (4, 20307690), (5, 16246152), (6, 13538460), (8, 10153845), (9, 9025640), (10, 8123076), (12, 6769230), (13, 6248520), (15, 5415384), (17, 4778280), (18, 4512820), (20, 4061538), (24, 3384615), (26, 3124260), (30, 2707692), (34, 2389140), (36, 2256410), (39, 2082840), (40, 2030769), (45, 1805128), (51, 1592760), (52, 1562130), (60, 1353846), (65, 1249704), (68, 1194570), (72, 1128205), (78, 1041420), (85, 955656), (90, 902564), (102, 796380), (104, 781065), (117, 694280), (120, 676923), (130, 624852), (136, 597285), (153, 530920), (156, 520710), (170, 477828), (180, 451282), (195, 416568), (204, 398190), (221, 367560), (234, 347140), (255, 318552), (260, 312426), (306, 265460), (312, 260355), (340, 238914), (360, 225641), (390, 208284), (408, 199095), (442, 183780), (468, 173570), (510, 159276), (520, 156213), (585, 138856), (612, 132730), (663, 122520), (680, 119457), (765, 106184), (780, 104142), (884, 91890), (936, 86785), (1020, 79638), (1021, 79560), (1105, 73512), (1170, 69428), (1224, 66365), (1326, 61260), (1530, 53092), (1560, 52071), (1768, 45945), (1989, 40840), (2040, 39819), (2042, 39780), (2210, 36756), (2340, 34714), (2652, 30630), (3060, 26546), (3063, 26520), (3315, 24504), (3978, 20420), (4084, 19890), (4420, 18378), (4680, 17357), (5105, 15912), (5304, 15315), (6120, 13273), (6126, 13260), (6630, 12252), (7956, 10210), (8168, 9945), (8840, 9189)]