51460020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:350

約数の個数: 144

約数和(自身を含む): 168412608

約数和(自身を除く): 116952588

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, 251, 255, 268, 306, 335, 340, 402, 502, 510, 603, 612, 670, 753, 765, 804, 1004, 1005, 1020, 1139, 1206, 1255, 1340, 1506, 1530, 2010, 2259, 2278, 2412, 2510, 3012, 3015, 3060, 3417, 3765, 4020, 4267, 4518, 4556, 5020, 5695, 6030, 6834, 7530, 8534, 9036, 10251, 11295, 11390, 12060, 12801, 13668, 15060, 16817, 17068, 17085, 20502, 21335, 22590, 22780, 25602, 33634, 34170, 38403, 41004, 42670, 45180, 50451, 51204, 51255, 64005, 67268, 68340, 76806, 84085, 85340, 100902, 102510, 128010, 151353, 153612, 168170, 192015, 201804, 205020, 252255, 256020, 285889, 302706, 336340, 384030, 504510, 571778, 605412, 756765, 768060, 857667, 1009020, 1143556, 1429445, 1513530, 1715334, 2573001, 2858890, 3027060, 3430668, 4288335, 5146002, 5717780, 8576670, 10292004, 12865005, 17153340, 25730010, 51460020]

約数ペア:

[(1, 51460020), (2, 25730010), (3, 17153340), (4, 12865005), (5, 10292004), (6, 8576670), (9, 5717780), (10, 5146002), (12, 4288335), (15, 3430668), (17, 3027060), (18, 2858890), (20, 2573001), (30, 1715334), (34, 1513530), (36, 1429445), (45, 1143556), (51, 1009020), (60, 857667), (67, 768060), (68, 756765), (85, 605412), (90, 571778), (102, 504510), (134, 384030), (153, 336340), (170, 302706), (180, 285889), (201, 256020), (204, 252255), (251, 205020), (255, 201804), (268, 192015), (306, 168170), (335, 153612), (340, 151353), (402, 128010), (502, 102510), (510, 100902), (603, 85340), (612, 84085), (670, 76806), (753, 68340), (765, 67268), (804, 64005), (1004, 51255), (1005, 51204), (1020, 50451), (1139, 45180), (1206, 42670), (1255, 41004), (1340, 38403), (1506, 34170), (1530, 33634), (2010, 25602), (2259, 22780), (2278, 22590), (2412, 21335), (2510, 20502), (3012, 17085), (3015, 17068), (3060, 16817), (3417, 15060), (3765, 13668), (4020, 12801), (4267, 12060), (4518, 11390), (4556, 11295), (5020, 10251), (5695, 9036), (6030, 8534), (6834, 7530)]